https://vulnerability.circl.lu Contains only the most 10 recent sightings. http://www.rssboard.org/rss-specification python-feedgen en Mon, 13 Jul 2026 12:38:51 +0000 https://vulnerability.circl.lu/sighting/594cf7d2-ad3c-4da9-ab15-05b47cfce51b/export {"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": "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"} https://vulnerability.circl.lu/sighting/594cf7d2-ad3c-4da9-ab15-05b47cfce51b/export Wed, 08 Jul 2026 20:28:41 +0000 https://vulnerability.circl.lu/sighting/9b956e5c-d5b6-4c70-80eb-c6b351623abd/export {"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": "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"} https://vulnerability.circl.lu/sighting/9b956e5c-d5b6-4c70-80eb-c6b351623abd/export Mon, 06 Jul 2026 16:15:29 +0000 https://vulnerability.circl.lu/sighting/6606661b-99c2-497a-a15a-d6664696c8f3/export {"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": "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"} https://vulnerability.circl.lu/sighting/6606661b-99c2-497a-a15a-d6664696c8f3/export Mon, 06 Jul 2026 09:12:01 +0000 https://vulnerability.circl.lu/sighting/f563a1be-df96-4ddd-8f6f-f5e3634612d3/export {"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": "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"} https://vulnerability.circl.lu/sighting/f563a1be-df96-4ddd-8f6f-f5e3634612d3/export Sun, 05 Jul 2026 22:20:06 +0000 https://vulnerability.circl.lu/sighting/f8d61302-ce75-4b9f-8006-9753ade93ab5/export {"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": "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"} https://vulnerability.circl.lu/sighting/f8d61302-ce75-4b9f-8006-9753ade93ab5/export Fri, 03 Jul 2026 07:00:18 +0000 https://vulnerability.circl.lu/sighting/b0477bbd-5dc8-4246-9612-2244a156fee6/export {"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": "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"} https://vulnerability.circl.lu/sighting/b0477bbd-5dc8-4246-9612-2244a156fee6/export Wed, 01 Jul 2026 17:43:49 +0000 https://vulnerability.circl.lu/sighting/6231ac00-09eb-40cf-8d45-d94e31808671/export {"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": "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"} https://vulnerability.circl.lu/sighting/6231ac00-09eb-40cf-8d45-d94e31808671/export Wed, 01 Jul 2026 17:43:24 +0000 https://vulnerability.circl.lu/sighting/ec8a8f84-381e-473d-b0f4-a1f1990eeddd/export {"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": "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"} https://vulnerability.circl.lu/sighting/ec8a8f84-381e-473d-b0f4-a1f1990eeddd/export Wed, 01 Jul 2026 12:22:27 +0000 https://vulnerability.circl.lu/sighting/047513cb-ca52-4ad9-8563-afa5d8b001a6/export {"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": "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"} https://vulnerability.circl.lu/sighting/047513cb-ca52-4ad9-8563-afa5d8b001a6/export Wed, 01 Jul 2026 10:09:29 +0000 https://vulnerability.circl.lu/sighting/c58ec77d-3af2-411c-9742-50d7293c0ac2/export {"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": "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"} https://vulnerability.circl.lu/sighting/c58ec77d-3af2-411c-9742-50d7293c0ac2/export Wed, 01 Jul 2026 03:30:01 +0000