{"vulnerability": "cve-2026-91843", "sightings": [{"uuid": "b3cdc2b0-6ede-4af6-880e-9a4c66584ca4", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-91843", "type": "seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3mvncwo6f2s25", "content": "CVE-2026-91843 - quantum security management\nThe login function in Checkpoint Quantum Security Management can overflow its memory when accessed without authentication. This flaw could let an attacker execute their\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#checkpoint #CVE #infosec", "creation_timestamp": "2026-09-16T14:10:04.923351Z"}, {"uuid": "7d991276-70f5-4755-bff8-2fcac3048f8a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-91843", "type": "seen", "source": "https://bsky.app/profile/securityonline.bsky.social/post/3mvnjkgy4da2t", "content": "Check Point fixed a critical Check Point login flaw (CVE-2026-91843). Patch this Check Point login flaw now to block unauthenticated remote root takeovers.\n\n#CheckPoint #Cybersecurity #CVE202691843 #InfoSec #Vulnerability", "creation_timestamp": "2026-09-16T16:08:30.780418Z"}, {"uuid": "17ee1f5e-6f48-4418-94bd-2ea6b2544414", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-91843", "type": "seen", "source": "https://bsky.app/profile/stemshop.bsky.social/post/3mvnjp5crtb2p", "content": "\ud83d\udea8 CVE-2026-91843 \u2014 CVSS 9.8 CRITICAL\n\nA stack overflow during the unauthenticated login process may allow an attacker to run arbitrary code remot...\n\n\ud83d\udd0e https://stemshop.top/cve/CVE-2026-91843\n\n#CVE #CyberSecurity #InfoSec", "creation_timestamp": "2026-09-16T16:11:09.648912Z"}, {"uuid": "72503c8f-6e10-40eb-8b14-eff3eb68f698", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-91843", "type": "seen", "source": "https://bsky.app/profile/censys.bsky.social/post/3mvo6ikd56b2w", "content": "\ud83d\udea8CVE-2026-91843 is a critical (CVSS 9.8) pre-auth RCE affecting Check Point Quantum Security Management and Log Servers.\n\nCensys sees 3,836 hosts globally with the management/log server role.\n\nNo public PoC or confirmed exploitation as of publication. Patches are available. https://bit.ly/4cRApEJ", "creation_timestamp": "2026-09-16T22:23:16.713963Z"}, {"uuid": "a9f9809c-73a9-42c3-8fcf-854fd820007e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-91843", "type": "seen", "source": "https://infosec.exchange/users/censys/statuses/117283080996096403", "content": "\ud83d\udea8New Censys Advisory: CVE-2026-91843\nA critical (CVSS 9.8) unauthenticated RCE affects Check Point Quantum Security Management and Log Servers.\nCensys observes 3,836 hosts globally exposing the management/log server role. This is total product presence, not a confirmed-vulnerable count.\nNo public PoC or confirmed exploitation has been reported as of publication. Check Point has released patches for supported versions via LivePatch.\nRead the analysis and remediation details: https://censys.com/advisory/cve-2026-91843/\n#Cybersecurity #CVE #Vulnerability #CensysARC", "creation_timestamp": "2026-09-16T22:38:50.668669Z"}, {"uuid": "07042145-6e7a-4a48-8e14-69d9c8a71bc7", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-91843", "type": "seen", "source": "https://bsky.app/profile/kitafox.bsky.social/post/3mvofayuhzt2i", "content": "Check Point Login Flaw CVE-2026-91843: Critical Root RCE via Unauthenticated Login\uff08Check Point\u306e\u30ed\u30b0\u30a4\u30f3\u51e6\u7406\u306b\u91cd\u5927\u306a\u8106\u5f31\u6027\u3001\u8a8d\u8a3c\u4e0d\u8981\u3067root\u6a29\u9650\u306eRCE\uff09 #SecurityOnline (Sep 16)\n\nsecurityonline.info/check-point-...", "creation_timestamp": "2026-09-17T00:24:18.945556Z"}, {"uuid": "045e5c07-ede5-4f81-b71f-b03093d6da72", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-91843", "type": "seen", "source": "https://infosec.exchange/users/daniel1820815/statuses/117282347479668935", "content": "\ud83d\udea8 Please read this important update from Check Point:\nCVE-2026-91843 - Stack overflow in login process to the Security Management and Log Servers\nhttps://support.checkpoint.com/results/sk/sk1000155\n#CheckPoint #CheckPointsoftwareTechnologies #CVE #CVE202691843", "creation_timestamp": "2026-09-17T00:58:23.187222Z"}, {"uuid": "f523a7bc-9673-4ab1-bfdc-34ae842445c3", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-91843", "type": "seen", "source": "https://bsky.app/profile/pmloik.bsky.social/post/3mvp22ftku72p", "content": "Top 3 CVE for last 7 days:\nCVE-2026-85706: 48 interactions\nCVE-2026-76461: 16 interactions\nCVE-2026-82078: 15 interactions\n\n\nTop 3 CVE for yesterday:\nCVE-2026-76460: 10 interactions\nCVE-2026-91843: 9 interactions\nCVE-2026-76461: 8 interactions\n", "creation_timestamp": "2026-09-17T06:36:26.399913Z"}, {"uuid": "33814386-8aec-43c8-99c1-f39faf117c6a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-91843", "type": "seen", "source": "https://bsky.app/profile/o2cloud.bsky.social/post/3mvpprfewhs2w", "content": "\ud83d\udd17 CVE : CVE-2026-91843", "creation_timestamp": "2026-09-17T13:05:06.382695Z"}, {"uuid": "9b5edc7c-6737-461b-8885-496d234be643", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-91843", "type": "seen", "source": "https://gist.github.com/ichintu/4d54d491df96f43f63328c7ac7c50625", "content": "**Executive Summary (Sept 16\u201317, 2026)**\n\nThis threat intelligence digest highlights critical vulnerabilities and urgent patch requirements across major software and infrastructure vendors. Key fixes include:\n* **OpenDDS** (CVE-2026-52836): Remote DoS via malformed RTPS submessage (Fixed: v3.34.0)\n* **Check Point** (CVE-2026-91843): Login stack overflow affecting Management/Log Servers\n* **Dell Server Update Utility** (CVE-2026-56795): Local code execution via uncontrolled search path (Fixed: v26.07.01)\n* **BIND 9**: 14 patched flaws, including an unauthenticated DoS via DNS-over-HTTPS\n* **Cisco ISE & Related Products**: Multiple authentication bypass vulnerabilities patched. **CVE-2026-76460 is actively exploited in the wild** and has been added to the CISA KEV catalog. Patches also cover FTD, FMC, ASA, and Nexus Dashboard.\n\nThe digest also notes community discussions regarding a removed Reddit post, a potential API key image, and a new Claude AI skill for cybersecurity automation. Organizations are strongly advised to immediately apply vendor updates, prioritize actively exploited flaws, and enhance logging and network segmentation.", "creation_timestamp": "2026-09-17T20:01:46.519332Z"}, {"uuid": "289704e8-bc24-4af8-ae8f-70456a29619c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-91843", "type": "seen", "source": "https://cyber.gc.ca/en/alerts-advisories/check-point-security-advisory-av26-933", "content": "", "creation_timestamp": "2026-09-17T20:15:23.633847Z"}, {"uuid": "fc1e90bb-9a94-41e1-a0f8-4a5616c1189e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-91843", "type": "seen", "source": "https://t.me/thehackernews/10092", "content": "\u203c\ufe0f NEW - Critical Check Point management flaw lets unauthenticated attackers run code as root.\n\nThe 9.8-rated bug (CVE-2026-91843) sits in the login path before authentication.\n\nAffected versions and fix details: https://thehackernews.com/2026/09/critical-check-point-management-server.html", "creation_timestamp": "2026-09-17T22:00:04.859008Z"}, {"uuid": "9dc7d04d-c990-4262-80c2-486bede071cd", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-91843", "type": "seen", "source": "https://t.me/thehackernews/10092", "content": "\u203c\ufe0f NEW - Critical Check Point management flaw lets unauthenticated attackers run code as root.\n\nThe 9.8-rated bug (CVE-2026-91843) sits in the login path before authentication.\n\nAffected versions and fix details: https://thehackernews.com/2026/09/critical-check-point-management-server.html", "creation_timestamp": "2026-09-18T00:00:05.691973Z"}, {"uuid": "27dddf6a-4fa7-4f35-9366-2d8a01db7ff8", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-91843", "type": "seen", "source": "https://bsky.app/profile/securitylab-jp.bsky.social/post/3mvqz4ohcbs2t", "content": "Check Point Security Management\u306bCritical \u8106\u5f31\u6027 CVE-2026-91843\u3000\u8a8d\u8a3c\u4e0d\u8981\u3067root\u6a29\u9650\u306e\u4efb\u610f\u30b3\u30fc\u30c9\u5b9f\u884c \n rocket-boys.co.jp/security-mea... \n\n#\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56Lab #security #securitynews #\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3", "creation_timestamp": "2026-09-18T01:25:11.088477Z"}, {"uuid": "b848e02e-ce31-4678-a1bc-f6a97a47009d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-91843", "type": "seen", "source": "https://bsky.app/profile/newssecia.bsky.social/post/3mvrmngc5rd2p", "content": "\ud83e\udd16 CVE-2026-91843 (CVSS 9.8): pre-auth stack overflow in Check Point Security Management login process \u2014 unauthenticated RCE as root on management/log servers. Fifth critical unauth flaw since July; LivePatch fix\u2026", "creation_timestamp": "2026-09-18T07:14:31.551504Z"}, {"uuid": "d26a920e-cd60-4f0d-ab67-a50161522008", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-91843", "type": "seen", "source": "https://infosec.exchange/users/offseq/statuses/117290868689391326", "content": "Check Point Security Mgmt & Log Server hit by CRITICAL RCE (CVE-2026-91843) via unauthenticated login. No active exploitation yet. Patch ASAP. Tanium (SQLi, RCE) & Kaspersky (Redis) also patched. https://radar.offseq.com/threat/check-point-kaspersky-tanium-patch-product-vulnerabilities-ae8c3757ea9b181a #OffSeq #Vulnerability #RCE #PatchNow", "creation_timestamp": "2026-09-18T07:30:25.581433Z"}, {"uuid": "9b5a6e7c-41c0-4c32-8a30-40d7f9708499", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-91843", "type": "seen", "source": "https://bsky.app/profile/offseq.bsky.social/post/3mvrnjvl5uj2a", "content": "CRITICAL: CVE-2026-91843 lets attackers run root code on Check Point Mgmt & Log Server via login. No exploitation yet \u2014 patch now. Tanium & Kaspersky also issue fixes. Details: https://radar.offseq.com/threat/check-point-kaspersky-tanium-patch-product-vulnerabilities-ae8c3757ea9b181a #OffSeq #Vul...", "creation_timestamp": "2026-09-18T07:30:27.547276Z"}, {"uuid": "21613e4f-e4e8-4e59-aada-eeab0d77e015", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-91843", "type": "seen", "source": "https://bsky.app/profile/hapsis.bsky.social/post/3mvrqzpryys2c", "content": "Check Point Fixes Critical CVE-2026-91843 Allowing Root Code Execution\n\nsecurityaffairs.com/199279/secur...\n\n#Kyberturvallisuus #ThreatIntel #Haavoittuvuus", "creation_timestamp": "2026-09-18T08:32:59.455670Z"}, {"uuid": "59deb9d6-62e9-40a4-b8c4-f1a4876c1d24", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-91843", "type": "seen", "source": "https://infosec.exchange/users/cloud/statuses/117290805440362985", "content": "\ud83e\udd16 CVE-2026-91843 (CVSS 9.8): pre-auth stack overflow in Check Point Security Management login process lets unauthenticated attackers run code as root on management/log servers.\nFifth critical unauthenticated management flaw since July. LivePatch fix out; restrict Trusted Clients.\n\ud83d\udd17 https://thehackernews.com/2026/09/critical-check-point-management-server.html#CVE #InfoSec #CyberSec", "creation_timestamp": "2026-09-18T09:46:38.597319Z"}, {"uuid": "a1c7cd40-46ac-4539-a60f-a1d9a7fd16d8", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-91843", "type": "seen", "source": "https://infosec.exchange/users/beyondmachines1/statuses/117291225815473498", "content": "Critical Check Point Management Flaw Allows Unauthenticated Remote Root Access\nCheck Point issued an patch for a critical stack overflow vulnerability (CVE-2026-91843) in its Security Management and Log Servers that allows unauthenticated attackers to gain root-level code execution.\n**If you run Check Point Security Management or Log Servers, make sure they are never reachable from the internet and restrict the Trusted Clients setting so only specific, known admin IP addresses can connect (use a VPN for remote access). Then apply the LivePatch fix released on September 16, 2026 to every management and log server, confirm it installed with `cplp list`, and check your logs for \"Administrator failed to log in: Username too long\" to spot attempted attacks.**#cybersecurity #infosec #advisory #vulnerabilityhttps://beyondmachines.net/event_details/critical-check-point-management-flaw-allows-unauthenticated-remote-root-access-9-x-m-8-o/gD2P6Ple2L", "creation_timestamp": "2026-09-18T09:47:18.008699Z"}, {"uuid": "62beca84-bde1-481b-8c8d-0c5204cc7342", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-91843", "type": "seen", "source": "Telegram/RMFeecNFdeBfqZGCiKRKdmgilxvSr-CdpZBiJXTYBfto56ZU", "content": "", "creation_timestamp": "2026-09-18T10:00:05.799457Z"}, {"uuid": "985128e0-298e-45eb-bb0d-57f0111b99c3", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-91843", "type": "seen", "source": "https://t.me/ctinow/257010", "content": "Check Point Fixes Critical CVE-2026-91843 Allowing Root Code Execution\nhttps://ift.tt/ND7rspz", "creation_timestamp": "2026-09-18T10:00:05.846523Z"}, {"uuid": "da10d584-0e20-4924-beb0-16a12535897b", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-91843", "type": "seen", "source": "https://infosec.exchange/users/offseq/statuses/117291576457373276", "content": "Check Point Security Mgmt & Log Server face CRITICAL stack buffer overflow (CVE-2026-91843). Remote, unauthenticated RCE as root possible. Patch now or restrict access, monitor for 'Username too long' login failures. https://radar.offseq.com/threat/new-check-point-flaw-lets-hackers-execute-code-with-root-privileges-00056aa571ef0004 #OffSeq #CheckPoint #Vuln #RCE", "creation_timestamp": "2026-09-18T10:30:24.938932Z"}, {"uuid": "212285bd-992e-474a-8110-8c381b24ea5d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-91843", "type": "seen", "source": "https://bsky.app/profile/offseq.bsky.social/post/3mvrxlqwjd32z", "content": "CVE-2026-91843: Check Point Security Management & Log Server vulnerable to CRITICAL remote code execution as root. Apply patches or restrict access, monitor for admin login failures. https://radar.offseq.com/threat/new-check-point-flaw-lets-hackers-execute-code-with-root-privileges-00056aa571ef00...", "creation_timestamp": "2026-09-18T10:30:26.891687Z"}, {"uuid": "a198a10b-5ea5-456f-b495-50a0f56cbd7a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-91843", "type": "seen", "source": "https://bsky.app/profile/hendryadrian.bsky.social/post/3mvs4mq4wtg2q", "content": "Check Point patched CVE-2026-91843, a critical buffer overflow that can let unauthenticated attackers gain root RCE on Security Management Server and Log Server systems. #CheckPoint #CVE202691843 #NCSCNL", "creation_timestamp": "2026-09-18T12:00:28.153947Z"}, {"uuid": "98d72dcb-36c1-41d4-9004-4a88f38632cd", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-91843", "type": "seen", "source": "https://bsky.app/profile/0daynews.bsky.social/post/3mvs74ofvuq23", "content": "check point management server: unauth RCE via login handler stack overflow. CVSS 9.8, root impact. patch available\u2026 https://0daynews.com/articles/2026-09-18-check-point-management-cve-2026-91843-rce-root/?utm_source=bluesky&utm_medium=organic_social&utm_campaign=always_on&utm_content=hub-2376", "creation_timestamp": "2026-09-18T12:45:10.534985Z"}, {"uuid": "5419dcb2-efe3-4d4e-8542-6dfbaf5e25ba", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-91843", "type": "seen", "source": "https://t.me/CyberSecurityIL/9510", "content": "\u05d5\u05e2\u05d5\u05d3 \u05d0\u05d7\u05ea:\n\u26d4\ud83d\ude00 \u05d7\u05d5\u05dc\u05e9\u05d4 \u05e7\u05e8\u05d9\u05d8\u05d9\u05ea \u05d1\u05e6'\u05e7\u05e4\u05d5\u05d9\u05e0\u05d8 \u05de\u05d0\u05e4\u05e9\u05e8\u05ea \u05dc\u05ea\u05d5\u05e7\u05e3 \u05dc\u05d4\u05e8\u05d9\u05e5 \u05e7\u05d5\u05d3 \u05de\u05e8\u05d7\u05d5\u05e7 \u05e2\u05dd \u05d4\u05e8\u05e9\u05d0\u05d5\u05ea \u05d0\u05d3\u05de\u05d9\u05df.\n\n\u05e4\u05e8\u05d8\u05d9\u05dd \u05e0\u05d5\u05e1\u05e4\u05d9\u05dd \u05e2\u05dc \u05d4\u05d7\u05d5\u05dc\u05e9\u05d4 CVE-2026-91843, \u05d4\u05e4\u05d0\u05e6', \u05d4\u05d3\u05e8\u05da \u05dc\u05d0\u05ea\u05e8 \u05d0\u05dd \u05d4\u05d5\u05ea\u05e7\u05e4\u05ea\u05dd \u05d5\u05e2\u05d5\u05d3, \u05d1\u05d4\u05d5\u05d3\u05e2\u05d4 \u05e9\u05dc \u05e6'\u05e7\u05e4\u05d5\u05d9\u05e0\u05d8.\n\nhttps://t.me/CyberSecurityIL/9510", "creation_timestamp": "2026-09-18T14:00:03.858805Z"}, {"uuid": "202fa2b2-efa1-4766-95e3-c51b35b14100", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-91843", "type": "seen", "source": "https://mastodon.social/ap/users/115426718704364579/statuses/117292804616812179", "content": "\ud83d\udcf0 Check Point Patches Critical RCE Flaw in Management Servers\nCheck Point patches critical RCE flaw (CVE-2026-91843, CVSS 9.8) in Security Management Servers. Unauthenticated attackers can gain root access via a long username. LivePatch is available. Restrict trusted client access now! #CyberSecurity #CheckPoin...\n\ud83d\udd17 https://cyber.netsecops.io/articles/check-point-patches-critical-rce-flaw-cve-2026-91843-in-management-servers/?utm_source=mastodon&utm_medium=social&utm_campaign=daily", "creation_timestamp": "2026-09-18T15:42:47.940585Z"}, {"uuid": "d134bcdf-6229-42d1-bd84-4a0a8f1ed2b7", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-91843", "type": "seen", "source": "https://bsky.app/profile/netsecio.bsky.social/post/3mvsj3xycgq2i", "content": "Check Point patches critical RCE flaw (CVE-2026-91843, CVSS 9.8) in Security Management Servers. Unauthenticated attackers can gain root access via a long username. LivePatch is available. Restrict trusted client access now! #CyberSecurity #CheckPoin...\n\n\ud83c\udf10 cyber[.]netsecops[.]io", "creation_timestamp": "2026-09-18T15:43:44.583255Z"}, {"uuid": "b872c53a-037c-48dd-9415-6a106015dd66", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-91843", "type": "seen", "source": "Telegram/98XBW89DYYvCmumfjQFV-T14TeWl3VEjb1X7QjskGMkDkX4", "content": "", "creation_timestamp": "2026-09-18T18:00:07.090620Z"}, {"uuid": "e6e17caa-eb41-4a05-b986-82db92b16b12", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-91843", "type": "seen", "source": "https://bsky.app/profile/cybersecurity.page/post/3mvssx6sst52w", "content": "A Check Point flaw (CVE-2026-91843) lets an attacker run code with root privileges, reportedly by sending an oversized username that triggers the bug. Detection is straightforward: watch for \"Administrator failed to log in: Username too long\" alerts in admin login logs. Patch and check those logs.", "creation_timestamp": "2026-09-18T18:42:35.915048Z"}, {"uuid": "be5f7be5-2b02-4ec4-b128-f403e6dd5b2e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-91843", "type": "seen", "source": "Telegram/RMFeecNFdeBfqZGCiKRKdmgilxvSr-CdpZBiJXTYBfto56ZU", "content": "", "creation_timestamp": "2026-09-19T00:00:41.006234Z"}, {"uuid": "a5ba88ce-0682-4eda-9aff-65af12c9a8fc", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-91843", "type": "seen", "source": "https://t.me/ctinow/257010", "content": "Check Point Fixes Critical CVE-2026-91843 Allowing Root Code Execution\nhttps://ift.tt/ND7rspz", "creation_timestamp": "2026-09-19T00:00:41.061568Z"}, {"uuid": "20f550b8-7204-4282-8ef0-dee586bfe8f7", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-91843", "type": "seen", "source": "Telegram/98XBW89DYYvCmumfjQFV-T14TeWl3VEjb1X7QjskGMkDkX4", "content": "", "creation_timestamp": "2026-09-19T00:00:12.277458Z"}, {"uuid": "de989cc0-91d9-4851-a28d-61bc0846a7ef", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-91843", "type": "seen", "source": "https://t.me/CyberSecurityIL/9510", "content": "\u05d5\u05e2\u05d5\u05d3 \u05d0\u05d7\u05ea:\n\u26d4\ud83d\ude00 \u05d7\u05d5\u05dc\u05e9\u05d4 \u05e7\u05e8\u05d9\u05d8\u05d9\u05ea \u05d1\u05e6'\u05e7\u05e4\u05d5\u05d9\u05e0\u05d8 \u05de\u05d0\u05e4\u05e9\u05e8\u05ea \u05dc\u05ea\u05d5\u05e7\u05e3 \u05dc\u05d4\u05e8\u05d9\u05e5 \u05e7\u05d5\u05d3 \u05de\u05e8\u05d7\u05d5\u05e7 \u05e2\u05dd \u05d4\u05e8\u05e9\u05d0\u05d5\u05ea \u05d0\u05d3\u05de\u05d9\u05df.\n\n\u05e4\u05e8\u05d8\u05d9\u05dd \u05e0\u05d5\u05e1\u05e4\u05d9\u05dd \u05e2\u05dc \u05d4\u05d7\u05d5\u05dc\u05e9\u05d4 CVE-2026-91843, \u05d4\u05e4\u05d0\u05e6', \u05d4\u05d3\u05e8\u05da \u05dc\u05d0\u05ea\u05e8 \u05d0\u05dd \u05d4\u05d5\u05ea\u05e7\u05e4\u05ea\u05dd \u05d5\u05e2\u05d5\u05d3, \u05d1\u05d4\u05d5\u05d3\u05e2\u05d4 \u05e9\u05dc \u05e6'\u05e7\u05e4\u05d5\u05d9\u05e0\u05d8.\n\nhttps://t.me/CyberSecurityIL/9510", "creation_timestamp": "2026-09-19T00:00:27.101496Z"}]}