{"vulnerability": "CVE-2026-55200", "sightings": [{"uuid": "7f33147d-d8f7-4824-8f90-dbba05ebce00", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://cyber.gc.ca/en/guidance/canadian-centre-cyber-security-used-frontier-ai-accelerate-detection-engineering", "content": "", "creation_timestamp": "2026-08-05T16:15:04.681698Z"}, {"uuid": "0201c055-4354-4105-8867-58fe86d0a5bf", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mojg22moug2f", "content": "CVE-2026-55200 - libssh2 - Out-of-Bounds Write via Unchecked packet_length in transport.c\nCVE ID : CVE-2026-55200\n \n Published : June 17, 2026, 7:03 p.m. | 2\u00a0hours, 39\u00a0minutes ago\n \n Description : libssh2 through 1.11.1, fixed in commit 7acf3df contains an out-of-bounds write ...", "creation_timestamp": "2026-06-17T22:58:39.269033Z"}, {"uuid": "57a57893-4188-427b-ac36-59d14d75c7c9", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://infosec.exchange/users/harrysintonen/statuses/116793168556043170", "content": "For example it seems Debian stable is currently affected: https://security-tracker.debian.org/tracker/CVE-2026-55200", "creation_timestamp": "2026-06-22T09:58:44.612062Z"}, {"uuid": "6f4f2f83-e63d-46df-b032-36fe82a24a97", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-55200", "type": "seen", "source": "https://bsky.app/profile/thecybersecguru.com/post/3mox243ttbr2w", "content": "A critical flaw in libssh2 puts SSH clients at remote code execution\u00a0risk\n\nCVE-2026-55200 is a CVSS 9.2 heap overflow in libssh2 enabling pre-auth RCE on all versions through 1.11.1. Fix: commit 97acf3d...\n\nhttps://thecybersecguru.com/news/cve-2026-55200-libssh2-remote-code-execution/", "creation_timestamp": "2026-06-23T09:02:19.521148Z"}, {"uuid": "1101d537-92d5-4413-a475-aa6646ae0119", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/thedailytechfeed.com/post/3mox2vyt24t24", "content": "Critical libssh2 flaw (CVE-2026-55200) enables remote code execution. Patch now. #CyberSecurity #libssh2 #Vulnerability #RemoteCodeExecution #SecurityUpdate #CVE202655200 thedailytechfeed.com/critical-lib...", "creation_timestamp": "2026-06-23T09:16:49.419782Z"}, {"uuid": "f9290249-b527-4e68-aedf-d6a2582d7c8b", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/infosec.skyfleet.blue/post/3moybmlrqgb2f", "content": "libssh2: CVE-2026-55200 (critical), CVE-2025-15661 (high), CVE-2026-55199 (high)", "creation_timestamp": "2026-06-23T20:49:33.044935Z"}, {"uuid": "6fefd221-af8a-4ac9-861e-1cb6423f0734", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/dragostech.bsky.social/post/3moycfogekc2a", "content": "Don't see these that often, malicious server, no auth, no interaction, RCE in ssh.\n\nCVE-2026-55200 \u2014 libssh2 pre-auth heap OOB write\n\npre-auth so network attacks can deliver the packet even when client pins host keys\n\ngithub.com/bikini/explo...\n\nwww.linkedin.com/posts/dragos...", "creation_timestamp": "2026-06-23T21:03:59.602805Z"}, {"uuid": "9c2e0ada-289f-4caa-8e21-fe4af6bf1957", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-55200", "type": "seen", "source": "https://bsky.app/profile/cyberkendra.com/post/3moyn3rl4gk2m", "content": "\ud83d\udea8 libssh2 Critical RCE (CVSS 9.2)\n\nA critical vulnerability has been disclosed in libssh2, the SSH library used inside curl, backup tools, IoT firmware, and countless other software.\n\n\ud83d\udc49https://www.cyberkendra.com/2026/06/cve-2026-55200-critical-libssh2-flaw.html\n\n#libssh2 #security #vulnerability", "creation_timestamp": "2026-06-24T00:14:56.963757Z"}, {"uuid": "ad1ac9ce-8ff3-47a5-8db7-50b7369aa34d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/infosec.skyfleet.blue/post/3mp2gvef3hd22", "content": "Re: libssh2: CVE-2026-55200 (critical), CVE-2025-15661 (high), CVE-2026-55199 (high)", "creation_timestamp": "2026-06-24T17:29:11.111635Z"}, {"uuid": "a864b83a-a069-499e-a568-b83f3c7271cb", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/xeiaso.net/post/3mp2gzlpqgq23", "content": "\"No way to prevent this\" say users of only language where this regularly happens\n\nhttps://xeiaso.net/shitposts/no-way-to-prevent-this/memory-safety/CVE-2026-55200/", "creation_timestamp": "2026-06-24T17:31:33.066398Z"}, {"uuid": "bb0281d2-e04d-44ef-9369-8db75c8cc1f2", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/cadey.pony.social.ap.brid.gy/post/3mp2gzrwfdji2", "content": "\"No way to prevent this\" say users of only language where this regularly happens\n\nhttps://xeiaso.net/shitposts/no-way-to-prevent-this/memory-safety/CVE-2026-55200/?utm_campaign=mi_irl&utm_medium=social&utm_source=mastodon", "creation_timestamp": "2026-06-24T17:31:43.520522Z"}, {"uuid": "b1a51cb4-1e84-4c5a-a3bd-49a90a87555e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/some-rss-feeds.bsky.social/post/3mp2hlz7uk624", "content": "[some-subscribed-rss] New Post: \"No way to prevent this\" say users of only language where this regularly happens, by  https://xeiaso.net/shitposts/no-way-to-prevent-this/memory-safety/CVE-2026-55200/", "creation_timestamp": "2026-06-24T17:41:52.044577Z"}, {"uuid": "2b9645b8-a36a-4326-adfc-434790df7526", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/infosec.skyfleet.blue/post/3mp2lloy6732e", "content": "Re: libssh2: CVE-2026-55200 (critical), CVE-2025-15661 (high), CVE-2026-55199 (high)", "creation_timestamp": "2026-06-24T18:53:15.320703Z"}, {"uuid": "afc29ac5-c845-44ca-81be-54a144a15ebe", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/undercode.bsky.social/post/3mp3cnjz5ho2u", "content": "Libssh2 Pre-Auth RCE PoC Dropped: CVE-2026-55200 Puts Every SSH Client at Risk \u2014 Here\u2019s How to Defend +\u00a0Video\n\nIntroduction: A public proof-of-concept (PoC) exploit has been released for CVE-2026-55200, a critical remote code execution vulnerability in the libssh2 library. This flaw resides in the\u2026", "creation_timestamp": "2026-06-25T01:45:53.702864Z"}, {"uuid": "939c91d8-bf47-4f79-b558-98091ed1e757", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/pmloik.bsky.social/post/3mp3f5lq7nf2t", "content": "Top 3 CVE for last 7 days:\nCVE-2026-55200: 44 interactions\nCVE-2026-47729: 18 interactions\nCVE-2026-50656: 17 interactions\n\n\nTop 3 CVE for yesterday:\nCVE-2026-55200: 35 interactions\nCVE-2026-20230: 8 interactions\nCVE-2026-20245: 7 interactions\n", "creation_timestamp": "2026-06-25T02:30:39.335872Z"}, {"uuid": "97d1740c-8e7f-4212-9b83-fa5caf713f8c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://infosec.exchange/users/Sempf/statuses/116813674482599296", "content": "Just saw there is an exploit example for that libssh2 vuln. Has anyone given it a try yet? I might be too lazy to get my laptop out.\nhttps://github.com/0xBlackash/CVE-2026-55200", "creation_timestamp": "2026-06-26T00:53:39.916967Z"}, {"uuid": "37dd1930-d6a4-49bf-bf53-e310df644379", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/Sempf.infosec.exchange.ap.brid.gy/post/3mp5q7l67nvq2", "content": "Just saw there is an exploit example for that libssh2 vuln. Has anyone given it a try yet? I might be too lazy to get my laptop out.\n\nhttps://github.com/0xBlackash/CVE-2026-55200", "creation_timestamp": "2026-06-26T00:54:45.503804Z"}, {"uuid": "a2b66eac-958b-45e4-b91a-1d9c13976cfa", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-55200", "type": "seen", "source": "https://infosec.exchange/users/wdormann/statuses/116813711609974893", "content": "@Sempf I didn't test this, but my eyeballs tell me that it's AI slop.\nThis one actually explains what it does and what it requires to show evidence of exploitation (of a local harness, not a real-world thing)\nhttps://github.com/bikini/exploitarium/tree/main/libssh2-cve-2026-55200-poc", "creation_timestamp": "2026-06-26T01:03:06.470747Z"}, {"uuid": "7f9ca279-782a-4977-88d0-59dc5e2b8cd0", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-55200", "type": "seen", "source": "https://bsky.app/profile/wdormann.infosec.exchange.ap.brid.gy/post/3mp5qq4ugjdf2", "content": "@Sempf\nI didn't test this, but my eyeballs tell me that it's AI slop.\n\nThis one actually explains what it does and what it requires to show evidence of exploitation (of a local harness, not a real-world thing)\n\nhttps://github.com/bikini/exploitarium/tree/main/libssh2-cve-2026-55200-poc", "creation_timestamp": "2026-06-26T01:03:53.586130Z"}, {"uuid": "c302c96c-37e3-4e19-a551-86da14e69ee5", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/pmloik.bsky.social/post/3mp5vmtrhn32i", "content": "Top 3 CVE for last 7 days:\nCVE-2026-55200: 44 interactions\nCVE-2026-47729: 43 interactions\nCVE-2026-8461: 34 interactions\n\n\nTop 3 CVE for yesterday:\nCVE-2026-8461: 26 interactions\nCVE-2026-47729: 25 interactions\nCVE-2026-20245: 6 interactions\n", "creation_timestamp": "2026-06-26T02:30:50.671120Z"}, {"uuid": "30c3dd3b-c39d-495c-8194-b04e49450c59", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://www.govcert.gov.hk/en/alerts_detail.php?id=1936", "content": "", "creation_timestamp": "2026-06-26T09:45:02.675783Z"}, {"uuid": "6eb1847f-5c6f-4077-99e5-16995c5f5724", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/pmloik.bsky.social/post/3mpag345cgv2v", "content": "Top 3 CVE for last 7 days:\nCVE-2026-55200: 45 interactions\nCVE-2026-47729: 38 interactions\nCVE-2026-8461: 34 interactions\n\n\nTop 3 CVE for yesterday:\nCVE-2026-46331: 10 interactions\nCVE-2026-34916: 4 interactions\nCVE-2026-20245: 3 interactions\n", "creation_timestamp": "2026-06-27T02:30:28.469697Z"}, {"uuid": "dae5cab8-41d0-4380-a2c1-649feb33373b", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/pmloik.bsky.social/post/3mpcwkncjr422", "content": "Top 3 CVE for last 7 days:\nCVE-2026-55200: 45 interactions\nCVE-2026-47729: 37 interactions\nCVE-2026-8461: 35 interactions\n\n\nTop 3 CVE for yesterday:\nCVE-2026-9076: 3 interactions\nCVE-2025-60467: 2 interactions\nCVE-2026-20253: 2 interactions\n", "creation_timestamp": "2026-06-28T02:30:49.035684Z"}, {"uuid": "5b433907-9860-48a6-b616-f656c0b58763", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/pmloik.bsky.social/post/3mpfgzudnqx2d", "content": "Top 3 CVE for last 7 days:\nCVE-2026-55200: 45 interactions\nCVE-2026-47729: 36 interactions\nCVE-2026-8461: 35 interactions\n\n\nTop 3 CVE for yesterday:\nCVE-2026-58053: 4 interactions\nCVE-2026-10643: 3 interactions\nCVE-2026-58049: 3 interactions\n", "creation_timestamp": "2026-06-29T02:30:59.270159Z"}, {"uuid": "b5c09883-0c39-4fca-a500-02da0cc16a90", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/hapsis.bsky.social/post/3mpfxrftbkc2w", "content": "Public PoC Released for Critical libssh2 CVE-2026-55200 Client-Side SSH Flaw\n\nthehackernews.com/2026/06/publ...\n\n#Cybersecurity #ThreatIntel #Vulnerability", "creation_timestamp": "2026-06-29T07:30:30.249870Z"}, {"uuid": "47c4a601-a1ad-4a84-9040-d22f6c2eb729", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/deafnews-auto.bsky.social/post/3mpfzu5inyk2c", "content": "Public PoC for CVE-2026-55200: libssh2 at Risk of RCE", "creation_timestamp": "2026-06-29T08:07:48.896301Z"}, {"uuid": "39bd1442-84e4-4521-acfc-efbde01b5a80", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/infosecbriefly.bsky.social/post/3mpg27ab3zf2n", "content": "CVE-2026-55200 in libssh2 allows untrusted SSH servers to trigger heap memory corruption and potential code execution on connecting clients without credentials or user interaction.\n", "creation_timestamp": "2026-06-29T08:14:01.326307Z"}, {"uuid": "2aa9855d-fd2a-4355-b8fe-990ea0074a82", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/cybersecurity0001.bsky.social/post/3mpg2bjnan72c", "content": "Public PoC Released for Critical libssh2 CVE-2026-55200 Client-Side SSH Flaw", "creation_timestamp": "2026-06-29T08:15:18.166043Z"}, {"uuid": "db8fe427-0738-4ec7-8070-f41970e32cb4", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/infosec.skyfleet.blue/post/3mpg2pzdio325", "content": "Public PoC Released for Critical libssh2 CVE-2026-55200 Client-Side SSH Flaw", "creation_timestamp": "2026-06-29T08:23:24.151125Z"}, {"uuid": "92bd6bbc-ca34-4f4f-a8ed-4756f91496d0", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/sec-news-bot.bsky.social/post/3mpg4u3h3ly2e", "content": "libssh2 \u306e\u91cd\u5927\u8106\u5f31\u6027 CVE-2026-55200\u3001PoC \u304c\u516c\u958b\n\nlibssh2 \u306e CVE-2026-55200 \u306f\u60aa\u610f\u3042\u308bSSH\u30b5\u30fc\u30d0\u30fc\u304c\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30e1\u30e2\u30ea\u3092\u7834\u58ca\u53ef\u80fd\u306a\u91cd\u5927\u8106\u5f31\u6027\u3002\u516c\u958bPoC \u306b\u3088\u308a\u5229\u7528\u53ef\u80fd\u306a\u72b6\u614b\u306b\u3002libssh2 \u3092\u4f7f\u7528\u3059\u308bSSH\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5229\u7528\u8005\u306f\u65e9\u6025\u306a\u66f4\u65b0\u304c\u5fc5\u8981\u3002\n\n#CVE #\u8106\u5f31\u6027 #\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3", "creation_timestamp": "2026-06-29T09:01:27.934649Z"}, {"uuid": "5f54b6ab-5f88-423c-8c5a-5b5f11541b62", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-55200", "type": "seen", "source": "https://bsky.app/profile/blindthoughts.bsky.social/post/3mpg5ofdvly2i", "content": "Critical libssh2 CVE-2026-55200: Public PoC Out, Patch Now\n\nhttps://blindthoughts.com/libssh2-cve-2026-55200-public-poc-client-rce\n\n#vulnerability #ssh #cve #patchnow #supplychain", "creation_timestamp": "2026-06-29T09:16:10.339057Z"}, {"uuid": "1d2802e3-86e0-4f0f-82a4-45d308a445fe", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/warthogtk.bsky.social/post/3mpg657i2r22o", "content": "Public PoC Released for Critical libssh2 CVE-2026-55200 Client-Side SSH Flaw\nthehackernews.com/2026/06/publ...", "creation_timestamp": "2026-06-29T09:24:27.910740Z"}, {"uuid": "71a3e869-9b29-453f-9173-226a31484a98", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/davidcorto.bsky.social/post/3mpg6hil7u326", "content": "\u200b\ud83d\udea8 Fallo cr\u00edtico en libssh2: Se ha publicado un PoC p\u00fablico para la vulnerabilidad CVE-2026-55200.\n  \n\u200bUn servidor SSH malicioso podr\u00eda provocar corrupci\u00f3n de memoria y RCE en el cliente que se conecta.\n thehackernews.com/2026/06/publ...\n\n\u200b#Cybersecurity #Infosec #libssh2 #DevOps", "creation_timestamp": "2026-06-29T09:30:13.221921Z"}, {"uuid": "7f4c1913-5232-41bc-babc-b6ef26797097", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://thehackernews.com/2026/06/public-poc-released-for-critical.html", "content": "A public proof-of-concept is now out for CVE-2026-55200, a critical flaw in libssh2 that lets a malicious or compromised SSH server trigger memory corruption on a connecting client, with possible code execution. No credentials, no user interaction. The bug affects every release up to and including 1.11.1 and carries a CVSS 4.0 score of 9.2.\n\nlibssh2 is a client-side SSH library, not a server.", "creation_timestamp": "2026-06-29T10:01:00.301397Z"}, {"uuid": "d4aab938-8cb8-489a-bf46-0d45be7685b0", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/allaboutsecurity.bsky.social/post/3mpgbpnlub222", "content": "CVE-2026-55200: \u00d6ffentlicher Exploit-Code f\u00fcr libssh2-Schwachstelle ver\u00f6ffentlicht\n\nwww.all-about-security.de/cve-2026-552...\n\n#cve #cybersecurity", "creation_timestamp": "2026-06-29T10:28:30.668902Z"}, {"uuid": "212711d5-ebdb-42a5-930c-35c79f944e32", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/techoverload.bsky.social/post/3mpgilwqhzj2z", "content": "Public PoC is out for critical libssh2 CVE-2026-55200, a client-side SSH flaw where a malicious server can trigger memory corruption. If your tools link against libssh2, track vendor fixes and update fast. \ud83d\uded1\n\n#Security #OpenSource #Linux", "creation_timestamp": "2026-06-29T12:31:39.646955Z"}, {"uuid": "4eb0c6bb-61f1-44b2-be7b-8cea4ca8c654", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/malwareobserver.bsky.social/post/3mpglobqok526", "content": "\ud83d\udc1b VULNERABILITIES Public PoC Released for Critical libssh2 CVE-2026-55200 Client-Side SSH Flaw \u2014 The Hacker News\nhttps://thehackernews.com/2026/06/public-poc-released-for-critical.html #Vulnerability #CVE #ZeroDay", "creation_timestamp": "2026-06-29T13:26:39.115546Z"}, {"uuid": "2315a119-e418-4adc-a139-140d4c53e31f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-55200", "type": "seen", "source": "https://bsky.app/profile/hexonbot.bsky.social/post/3mpgzemtd7d26", "content": "Public PoC code turned libssh2 CVE-2026-55200 into an SSH problem most teams cannot inventory fast enough. Hidden copies in dev tools, backup agents, and appliances are the blind spot: https://www.hexon.bot/blog/libssh2-cve-2026-55200-client-side-ssh-flaw #Cybersecurity #AppSec", "creation_timestamp": "2026-06-29T17:31:47.834994Z"}, {"uuid": "78c6139f-976f-4fba-bb8e-bd89f0012a7d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/infosec.skyfleet.blue/post/3mph3iuz35w27", "content": "CVE-2026-55200: Critical libssh2 Flaw Opens Remote Code Execution Path", "creation_timestamp": "2026-06-29T18:09:58.118502Z"}, {"uuid": "793b0116-9144-4c5a-b328-f55c6c8629fa", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/ninjaowl.ai/post/3mphhufmc362i", "content": "Public PoC Released for Critical libssh2 CVE-2026-55200 Client-Side SSH Flaw #cybersecurity #hacking #news #infosec #security #technology #privacy thehackernews.com/20...", "creation_timestamp": "2026-06-29T21:51:09.581139Z"}, {"uuid": "5f1b72df-fd69-4c23-9c4a-2e92c35f3992", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/sambowne.infosec.exchange.ap.brid.gy/post/3mphrumkg2j62", "content": "Public PoC Released for Critical libssh2 CVE-2026-55200 Client-Side SSH Flaw https://thehackernews.com/2026/06/public-poc-released-for-critical.html", "creation_timestamp": "2026-06-30T00:51:20.216007Z"}, {"uuid": "b5917f4b-a86c-4d7a-8e70-e6d68d155640", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://thehackernews.com/2026/06/public-poc-released-for-critical.html", "content": "A public proof-of-concept is now out for CVE-2026-55200, a critical flaw in libssh2 that lets a malicious or compromised SSH server trigger memory corruption on a connecting client, with possible code execution. No credentials, no user interaction. The bug affects every release up to and including 1.11.1 and carries a CVSS 4.0 score of 9.2.\n\nlibssh2 is a client-side SSH library, not a server.", "creation_timestamp": "2026-06-30T01:00:42.235327Z"}, {"uuid": "aed03bec-3472-4ad5-8632-9e8786dfc326", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/hacker.at.thenote.app/post/3mphth2rzps2a", "content": "Public PoC Released for Critical libssh2 CVE-2026-55200 Client-Side SSH Flaw\n\nA public proof-of-concept is now out for CVE-2026-55200, a critical flaw in libssh2 that lets a malicious or compromised SSH server trigger memory corruption on a connecting client, with possible code ex\u2026\n#hackernews #news", "creation_timestamp": "2026-06-30T01:18:26.519192Z"}, {"uuid": "e23cf323-f24f-4538-8317-8ffc8bda5526", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/pmloik.bsky.social/post/3mphxidm26u2q", "content": "Top 3 CVE for last 7 days:\nCVE-2026-55200: 48 interactions\nCVE-2026-47729: 36 interactions\nCVE-2026-8461: 35 interactions\n\n\nTop 3 CVE for yesterday:\nCVE-2026-46817: 9 interactions\nCVE-2026-43503: 4 interactions\nCVE-2026-20230: 3 interactions\n", "creation_timestamp": "2026-06-30T02:30:44.213055Z"}, {"uuid": "e0618ed8-b780-4ca3-8a2f-38d2481d8157", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/shiojiri.com/post/3mpidt76pcsbr", "content": "\u533f\u540d\u306e\u7814\u7a76\u8005\u304c\u30bc\u30ed\u30c7\u30a4\u6570\u4ef6\u3092GitHub\u30ea\u30dd\u30b8\u30c8\u30ea\u3067\u516c\u958b\uff08CVE-2026-55200\u3001CVE-2026-20896\uff09 | Codebook\uff5cSecurity News https://codebook.machinarecord.com/threatreport/silobreaker-cyber-alert/46394/", "creation_timestamp": "2026-06-30T06:11:34.246016Z"}, {"uuid": "e84e3320-3cfb-49fa-bfd3-b94acb91159e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/potato.software/post/3mpidta6bgb2n", "content": "\u533f\u540d\u306e\u7814\u7a76\u8005\u304c\u30bc\u30ed\u30c7\u30a4\u6570\u4ef6\u3092GitHub\u30ea\u30dd\u30b8\u30c8\u30ea\u3067\u516c\u958b\uff08CVE-2026-55200\u3001CVE-2026-20896\uff09 | Codebook\uff5cSecurity News https://codebook.machinarecord.com/threatreport/silobreaker-potato-alert/46394/", "creation_timestamp": "2026-06-30T06:11:35.954575Z"}, {"uuid": "c17b3eae-cfb0-43ff-ad0f-8966bcaa9005", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/kriptabiz.bsky.social/post/3mpifxqr4ca2w", "content": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c CVE-2026-55200 \u0432 libssh2: \u0443\u0433\u0440\u043e\u0437\u0430 \u0434\u043b\u044f SSH-\u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0439 \u0438 \u0441\u043f\u043e\u0441\u043e\u0431\u044b \u0437\u0430\u0449\u0438\u0442\u044b\n\n\n\nhttps://kripta.biz/posts/D9744011-2C3D-4BEE-AEAF-67EE82D4D9F7", "creation_timestamp": "2026-06-30T06:49:53.961664Z"}, {"uuid": "cf783638-acb4-43d8-83be-5a76196a1dbb", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/nemo.eurosky.social/post/3mpiludkqqc24", "content": "\ud83d\udea8 Critical update: A proof-of-concept exploit has been released for a libssh2 vulnerability (CVE-2026-55200, CVSS 9.8). Attackers can abuse oversized SSH \u201cpacket_length\u201d to corrupt heap memory. \ud83d\udccc: www.heise.de/en/news/Crit... #CyberSecurity #Vulnerability #libssh2 #CVE", "creation_timestamp": "2026-06-30T08:35:34.509334Z"}, {"uuid": "d2ce7616-8563-49cf-892e-f47483c23dcb", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/technology-news.bsky.social/post/3mpjdhk63lu2k", "content": "A public PoC for CVE-2026-55200 exposes a critical libssh2 flaw that can let a malicious SSH server corrupt client memory.", "creation_timestamp": "2026-06-30T15:37:42.555245Z"}, {"uuid": "7e21062b-90d7-4e4a-ad87-076ee384f9fe", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-55200", "type": "seen", "source": "https://mastodon.social/ap/users/115426718704364579/statuses/116840194296466627", "content": "\ud83d\udcf0 Critical Pre-Auth RCE Flaw in libssh2 Library Poses Widespread Risk\n\ud83d\udea8 CRITICAL VULNERABILITY: A pre-auth RCE flaw (CVE-2026-55200, CVSS 9.8) in the widely used libssh2 library puts countless apps at risk. Malicious SSH servers can exploit clients. PoC is public. #CyberSecurity #Vulnerability #RCE #SupplyChain\n\ud83c\udf10 cyber[.]netsecops[.]io\n\ud83d\udd17 https://cyber.netsecops.io/articles/critical-pre-auth-rce-flaw-cve-2026-55200-in-libssh2-library/?utm_source=mastodon&utm_medium=\u2026", "creation_timestamp": "2026-06-30T17:17:59.583576Z"}, {"uuid": "e3625ba8-7e89-4fbe-9283-f80b4a23e0bd", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/netsecio.bsky.social/post/3mpjj3o7azp2g", "content": "\ud83d\udea8 CRITICAL VULNERABILITY: A pre-auth RCE flaw (CVE-2026-55200, CVSS 9.8) in the widely used libssh2 library puts countless apps at risk. Malicious SSH servers can exploit clients. PoC is public. #CyberSecurity #Vulnerability #RCE #SupplyChain\n\n\ud83c\udf10 cyber[.]netsecops[.]io", "creation_timestamp": "2026-06-30T17:18:29.271845Z"}, {"uuid": "ad1b038e-1170-40b8-a5e2-c4771ede060d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/hashlytics.io/post/3mpjonf7u552v", "content": "Critical libssh2 Flaw Exposes Curl, Git, PHP to RCE Risk\n\nCVE-2026-55200 is categorized as an integer overflow to buffer overflow vulnerability (CWE-680). The issue resides in the `ssh2_transport_read()` function within... #Git", "creation_timestamp": "2026-06-30T18:57:51.184343Z"}, {"uuid": "682ee403-f60b-4230-926b-335574bae7c2", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://infosec.exchange/users/harrysintonen/statuses/116840946683438347", "content": "No, the libssh2 vulnerability CVE-2026-55200 isn't end of thew world.\n1. You need to bypass ASLR to successfully exploit it. The PoC works only when you disable ASLR. In most realistic uses cases you need additional off-band infoleak from the app using libssh2.2. You also must somehow convince the victim to connect to your malicious server, OR compromise some existing server to perform the attack.\nCalling this a \"CRITICAL VULNERABILITY\" is dumb.", "creation_timestamp": "2026-06-30T20:29:20.042438Z"}, {"uuid": "bd624679-1c77-4d77-a007-69c7d159d9f9", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/crustytldr.bsky.social/post/3mpjywssnj42g", "content": "\ud83d\udd12 CVE-2026-55200: libssh2 memory corruption with possible RCE\n\nA critical memory corruption vulnerability, CVE-2026-55200, has been identified in libssh2 versions up to 1.11.1. This...\n\nhttps://tinyurl.com/284n4g8c #CyberSecurity #InfoSec #CrustyTLDR", "creation_timestamp": "2026-06-30T22:02:05.205759Z"}, {"uuid": "f585e46b-9701-45f0-9005-d1af4731929e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/potato.software/post/3mpjywvbh2j2k", "content": "\ud83d\udd12 CVE-2026-55200: libssh2 memory corruption with possible RCE\n\nA critical memory corruption vulnerability, CVE-2026-55200, has been identified in libssh2 versions up to 1.11.1. This...\n\nhttps://tinyurl.com/284n4g8c #PotatoSecurity #InfoSec #CrustyTLDR", "creation_timestamp": "2026-06-30T22:02:06.874472Z"}, {"uuid": "8277e460-7ba8-487e-b64a-ec93387cee62", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/nixpkgssecuritychanges.gerbet.me/post/3mpkfi5vbis2z", "content": "libssh2: patch CVE-2025-15661, CVE-2026-55199, and CVE-2026-55200\n\nhttps://github.com/NixOS/nixpkgs/pull/537250\n\n#security", "creation_timestamp": "2026-07-01T01:46:30.585037Z"}, {"uuid": "2f3c1b56-a7cd-42e4-87dd-025772556acd", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/pmloik.bsky.social/post/3mpkhxm4m5225", "content": "Top 3 CVE for last 7 days:\nCVE-2026-55200: 41 interactions\nCVE-2026-8461: 30 interactions\nCVE-2026-47729: 29 interactions\n\n\nTop 3 CVE for yesterday:\nCVE-2026-46817: 11 interactions\nCVE-2026-20245: 4 interactions\nCVE-2026-33825: 4 interactions\n", "creation_timestamp": "2026-07-01T02:30:56.012197Z"}, {"uuid": "b898c812-cf71-4d0f-acce-a8a1d036c5ea", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0812", "content": "", "creation_timestamp": "2026-07-01T02:44:35.219069Z"}, {"uuid": "c58ec77d-3af2-411c-9742-50d7293c0ac2", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/technoholic.bsky.social/post/3mpklbblqlr2j", "content": "Public proof-of-concept released for CVE-2026-55200, a critical libssh2 flaw allowing malicious SSH servers to trigger memory corruption and possible code execution\u2014no creds or interaction needed. CVSS 9.2.", "creation_timestamp": "2026-07-01T03:30:01.640938Z"}, {"uuid": "047513cb-ca52-4ad9-8563-afa5d8b001a6", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/shortinfo.bsky.social/post/3mplbljwu6724", "content": "A public proof-of-concept now exists for a critical libssh2 flaw (CVE-2026-55200) that lets a malicious SSH server run code on any client that connects to it. No password, no click needed. libssh2 ships inside curl, Git, PHP and firmware updaters, and no fixed release exists yet.", "creation_timestamp": "2026-07-01T10:09:29.145436Z"}, {"uuid": "ec8a8f84-381e-473d-b0f4-a1f1990eeddd", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/nixpkgssecuritychanges.gerbet.me/post/3mplizdeqri2n", "content": "[Backport staging-26.05] libssh2: patch CVE-2025-15661, CVE-2026-55199, and CVE-2026-55200\n\nhttps://github.com/NixOS/nixpkgs/pull/537259\n\n#security", "creation_timestamp": "2026-07-01T12:22:27.280037Z"}, {"uuid": "6231ac00-09eb-40cf-8d45-d94e31808671", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/insomnisec.bsky.social/post/3mpm2wdt2ak2j", "content": "\ud83d\udce1 CVE-2026-55200: Remote Code Execution in libssh2, the SSH Library Hidden Inside Your Stack", "creation_timestamp": "2026-07-01T17:43:24.711403Z"}, {"uuid": "b0477bbd-5dc8-4246-9612-2244a156fee6", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/insomnisec.bsky.social/post/3mpm2xyqvz52p", "content": "\ud83d\udce1 CVE-2026-55200: Remote Code Execution in libssh2, the SSH Library Hidden Inside Your Stack", "creation_timestamp": "2026-07-01T17:43:49.824388Z"}, {"uuid": "f8d61302-ce75-4b9f-8006-9753ade93ab5", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-55200", "type": "seen", "source": "https://bsky.app/profile/devops-daily.com/post/3mppxx4j7qe2p", "content": "\ud83d\udcdd When the SSH Server Attacks the Client: libssh2 CVE-2026-55200\n\nYou spent years hardening sshd. This bug does not care. CVE-2026-55200 is a pre-auth heap overflow in libssh2 where a malicious SSH server takes over...\n\nRead here: https://devops-daily.com/posts/libssh2-cve-2026-55200-client-side...", "creation_timestamp": "2026-07-03T07:00:18.243967Z"}, {"uuid": "f563a1be-df96-4ddd-8f6f-f5e3634612d3", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/insomnisec.bsky.social/post/3mpwmbnzyj424", "content": "\ud83d\udce1 CVE-2026-55200: Remote Code Execution in libssh2, the SSH Library Hidden Inside Your Stack", "creation_timestamp": "2026-07-05T22:20:06.081133Z"}, {"uuid": "6606661b-99c2-497a-a15a-d6664696c8f3", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/mbsplugins.bsky.social/post/3mpxqpd2du22p", "content": "MBS #FileMaker Plugin, version 16.3pr5\n\nPatched libssh2 for CVE-2026-55200.\nUpdated SQLite to 3.53.3.\nUpdated Xcode to 26.6.\nImproved script search.\nThe context menu in the Script Workspace shows a command to open the help for a script step in English.\n\nwww.mbsplugins.de/archive/2026...", "creation_timestamp": "2026-07-06T09:12:01.763492Z"}, {"uuid": "9b956e5c-d5b6-4c70-80eb-c6b351623abd", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/mbsplugins.bsky.social/post/3mpyiemnprc2b", "content": "MBS #Xojo Plugins, version 26.3pr5\n\nUpdated SQLite to version 3.53.3.\nUpdated Xcode to version 26.6.\nPatched libssh2 for CVE-2026-55200.\n\nwww.mbsplugins.de/archive/2026...", "creation_timestamp": "2026-07-06T16:15:29.285190Z"}, {"uuid": "594cf7d2-ad3c-4da9-ab15-05b47cfce51b", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/hapsis.bsky.social/post/3mq5xh7fowc2x", "content": "Public PoC Released for Critical libssh2 CVE-2026-55200 Client-Side SSH Flaw\n\nthehackernews.com/2026/06/publ...\n\n#Cybersecurity #ThreatIntel #Vulnerability", "creation_timestamp": "2026-07-08T20:28:41.480627Z"}, {"uuid": "002fe144-e744-4986-8b9c-aee019f278bd", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://t.me/bdufstecru/3264", "content": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0444\u0443\u043d\u043a\u0446\u0438\u0438 ssh2_transport_read() \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 libssh2 \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435\u043c \u0431\u0443\u0444\u0435\u0440\u0430 \u0432 \u0441\u0432\u044f\u0437\u0438 \u0441 \u0446\u0435\u043b\u043e\u0447\u0438\u0441\u043b\u0435\u043d\u043d\u044b\u043c \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435\u043c. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u044c \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u043c\u0443 \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u043e, \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0439 \u043a\u043e\u0434 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u0441\u043e\u0437\u0434\u0430\u043d\u043d\u044b\u0445 SSH-\u043f\u0430\u043a\u0435\u0442\u043e\u0432\n\nBDU:2026-08612\nCVE-2026-55200\n\n\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439:\nhttps://github.com/libssh2/libssh2/commit/97acf3dfda80c91c3a8c9f2372546301d4a1a7a8", "creation_timestamp": "2026-07-14T01:00:05.536931Z"}, {"uuid": "4c8557f3-2b6e-4d30-956b-19c140b0436c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://t.me/TengkorakCyberCrewzz/11469", "content": "Public PoC Released for Critical libssh2 CVE-2026-55200 Client-Side SSH Flaw \u2013 thehackernews.com\n\nMon, 29 Jun 2026 15:06:34", "creation_timestamp": "2026-07-14T12:00:04.922808Z"}, {"uuid": "9cbbb05b-a718-4395-ae9e-703f5eae8692", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://t.me/ctinow/252511", "content": "Public PoC Released for Critical libssh2 CVE-2026-55200 Client-Side SSH Flaw\nhttps://ift.tt/dehZTcF", "creation_timestamp": "2026-07-14T14:00:04.922396Z"}, {"uuid": "620c7f0e-a042-4e24-9c03-2545de8e43ff", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "published-proof-of-concept", "source": "https://t.me/ctinow/252511", "content": "Public PoC Released for Critical libssh2 CVE-2026-55200 Client-Side SSH Flaw\nhttps://ift.tt/dehZTcF", "creation_timestamp": "2026-07-15T00:00:23.208717Z"}, {"uuid": "64b23fac-9867-4428-98c6-860904585ac1", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "published-proof-of-concept", "source": "https://t.me/TengkorakCyberCrewzz/11469", "content": "Public PoC Released for Critical libssh2 CVE-2026-55200 Client-Side SSH Flaw \u2013 thehackernews.com\n\nMon, 29 Jun 2026 15:06:34", "creation_timestamp": "2026-07-15T00:00:25.031805Z"}, {"uuid": "74425294-2248-47d3-9046-9a2fc33d4e45", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "published-proof-of-concept", "source": "https://t.me/bdufstecru/3264", "content": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0444\u0443\u043d\u043a\u0446\u0438\u0438 ssh2_transport_read() \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 libssh2 \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435\u043c \u0431\u0443\u0444\u0435\u0440\u0430 \u0432 \u0441\u0432\u044f\u0437\u0438 \u0441 \u0446\u0435\u043b\u043e\u0447\u0438\u0441\u043b\u0435\u043d\u043d\u044b\u043c \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435\u043c. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u044c \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u043c\u0443 \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u043e, \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0439 \u043a\u043e\u0434 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u0441\u043e\u0437\u0434\u0430\u043d\u043d\u044b\u0445 SSH-\u043f\u0430\u043a\u0435\u0442\u043e\u0432\n\nBDU:2026-08612\nCVE-2026-55200\n\n\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439:\nhttps://github.com/libssh2/libssh2/commit/97acf3dfda80c91c3a8c9f2372546301d4a1a7a8", "creation_timestamp": "2026-07-15T00:00:34.670375Z"}, {"uuid": "d02c9501-2155-4071-a403-87bfa38e6b1c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://t.me/thehackernews/9351", "content": "\ud83d\udea8 CVE-2026-55200 now has public PoC code.\n\nThe libssh2 flaw lets a malicious SSH server trigger memory corruption in a connecting client.\n\n> No credentials\n> No user interaction\n> Affected through libssh2 1.11.1\n\nThe real cleanup problem is finding bundled and static copies in curl, Git, PHP, and appliances.\n\nLearn more \u279d https://thehackernews.com/2026/06/public-poc-released-for-critical.html", "creation_timestamp": "2026-07-15T12:00:04.239986Z"}, {"uuid": "1651458e-bd89-4a26-808d-0967dd52bbe9", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "published-proof-of-concept", "source": "https://t.me/thehackernews/9351", "content": "\ud83d\udea8 CVE-2026-55200 now has public PoC code.\n\nThe libssh2 flaw lets a malicious SSH server trigger memory corruption in a connecting client.\n\n> No credentials\n> No user interaction\n> Affected through libssh2 1.11.1\n\nThe real cleanup problem is finding bundled and static copies in curl, Git, PHP, and appliances.\n\nLearn more \u279d https://thehackernews.com/2026/06/public-poc-released-for-critical.html", "creation_timestamp": "2026-07-16T00:00:10.727205Z"}, {"uuid": "c9bae91e-5839-4d59-91b9-d7eeccd8d24f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "Telegram/wihZfhaQT2qHw0wLZ8sk5tSU7nS9hHHdvUYjPR1ZKZ5oBq0", "content": "", "creation_timestamp": "2026-07-16T19:00:27.480460Z"}, {"uuid": "97f5958c-3c4c-462d-b99c-5342243409f6", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "Telegram/wihZfhaQT2qHw0wLZ8sk5tSU7nS9hHHdvUYjPR1ZKZ5oBq0", "content": "", "creation_timestamp": "2026-07-17T00:00:44.243257Z"}, {"uuid": "3a64c32e-1e41-4574-aa65-800fecfcf237", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "published-proof-of-concept", "source": "Telegram/wihZfhaQT2qHw0wLZ8sk5tSU7nS9hHHdvUYjPR1ZKZ5oBq0", "content": "", "creation_timestamp": "2026-07-18T01:00:04.220940Z"}, {"uuid": "a7138e10-8e76-4e9d-9656-6b1cec37f87d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "Telegram/GXBaawxUh9z7-SaVwUQtlz-DNAm0ltj7H7a2-R0ObtA9ig", "content": "", "creation_timestamp": "2026-07-18T13:00:04.529763Z"}, {"uuid": "bdc11695-ce20-4f98-b346-1c40edeec041", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "published-proof-of-concept", "source": "Telegram/GXBaawxUh9z7-SaVwUQtlz-DNAm0ltj7H7a2-R0ObtA9ig", "content": "", "creation_timestamp": "2026-07-19T00:00:27.565381Z"}, {"uuid": "1bd20b09-4d83-4b5a-9581-0cbecc8d8e8d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "published-proof-of-concept", "source": "Telegram/wihZfhaQT2qHw0wLZ8sk5tSU7nS9hHHdvUYjPR1ZKZ5oBq0", "content": "", "creation_timestamp": "2026-07-19T00:00:41.907379Z"}, {"uuid": "a2786c1f-f918-413a-bdb3-37a6aba8261e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://t.me/MalaysiaHacktivistz/22654", "content": "Public PoC Released for Critical libssh2 CVE-2026-55200 Client-Side SSH Flaw \u2013 thehackernews.com\n\nMon, 29 Jun 2026 15:06:34", "creation_timestamp": "2026-07-19T16:00:04.488433Z"}, {"uuid": "3079ca2f-fff4-465e-ac0f-a91badbe972b", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "published-proof-of-concept", "source": "https://t.me/MalaysiaHacktivistz/22654", "content": "Public PoC Released for Critical libssh2 CVE-2026-55200 Client-Side SSH Flaw \u2013 thehackernews.com\n\nMon, 29 Jun 2026 15:06:34", "creation_timestamp": "2026-07-20T00:00:22.775275Z"}, {"uuid": "6078fdea-4154-4255-9e1d-a7333d7a762f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55200", "type": "seen", "source": "https://bsky.app/profile/cyfar.ca/post/3mr67zbbh6n2o", "content": "~Spiderlabs~\nAnonymous GitHub account 'bikini' dropped 200+ unpatched PoCs across 35 open-source projects without vendor notification, including critical pre-auth libssh2 flaw CVE-2026-55200.\n-\nIOCs: CVE-2026-55200\n-\n#0day #CVE202655200 #ThreatIntel", "creation_timestamp": "2026-07-21T16:27:08.195601Z"}]}