https://vulnerability.circl.lu Contains only the most 10 recent sightings. http://www.rssboard.org/rss-specification python-feedgen en Mon, 28 Sep 2026 05:56:42 +0000 https://vulnerability.circl.lu/sighting/fef2c232-c3ec-4f36-9dca-f4e1c36f5328/export {"uuid": "fef2c232-c3ec-4f36-9dca-f4e1c36f5328", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-20212", "type": "seen", "source": "https://bsky.app/profile/0daynews.bsky.social/post/3mussy2vkob23", "content": "Cisco Patches Critical RCE in Nexus 9000 Switches \u2014 Cisco has patched a CVSS 9.8 flaw in ten Silicon One Nexus 9000 switches\u2026 https://0daynews.com/articles/2026-09-04-cisco-nexus-9000-cve-2026-20212-critical-rce?utm_source=bluesky&utm_medium=organic_social&utm_campaign=always_on&utm_content=hub-953", "creation_timestamp": "2026-09-06T01:15:19.755539Z"} {"uuid": "fef2c232-c3ec-4f36-9dca-f4e1c36f5328", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-20212", "type": "seen", "source": "https://bsky.app/profile/0daynews.bsky.social/post/3mussy2vkob23", "content": "Cisco Patches Critical RCE in Nexus 9000 Switches \u2014 Cisco has patched a CVSS 9.8 flaw in ten Silicon One Nexus 9000 switches\u2026 https://0daynews.com/articles/2026-09-04-cisco-nexus-9000-cve-2026-20212-critical-rce?utm_source=bluesky&utm_medium=organic_social&utm_campaign=always_on&utm_content=hub-953", "creation_timestamp": "2026-09-06T01:15:19.755539Z"} https://vulnerability.circl.lu/sighting/fef2c232-c3ec-4f36-9dca-f4e1c36f5328/export Sun, 06 Sep 2026 01:15:19 +0000 https://vulnerability.circl.lu/sighting/957486c6-f2fb-414e-9658-06df030d1610/export {"uuid": "957486c6-f2fb-414e-9658-06df030d1610", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-20212", "type": "seen", "source": "https://bsky.app/profile/arc-codex.com/post/3musovxucsz2t", "content": "CVE-2026-20212: Critical Cisco Nexus 9000 Flaw Enables Unauthenticated Root RCE\n\n", "creation_timestamp": "2026-09-06T00:02:33.997877Z"} {"uuid": "957486c6-f2fb-414e-9658-06df030d1610", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-20212", "type": "seen", "source": "https://bsky.app/profile/arc-codex.com/post/3musovxucsz2t", "content": "CVE-2026-20212: Critical Cisco Nexus 9000 Flaw Enables Unauthenticated Root RCE\n\n", "creation_timestamp": "2026-09-06T00:02:33.997877Z"} https://vulnerability.circl.lu/sighting/957486c6-f2fb-414e-9658-06df030d1610/export Sun, 06 Sep 2026 00:02:33 +0000 https://vulnerability.circl.lu/sighting/f9a456b8-ef7d-4fee-97cc-e0cf08b850be/export {"uuid": "f9a456b8-ef7d-4fee-97cc-e0cf08b850be", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-20212", "type": "seen", "source": "https://bsky.app/profile/netsecio.bsky.social/post/3murv4cxd6m2r", "content": "Cisco patches 3 critical (CVSS 9.8) remote code execution vulnerabilities in IOS XR software (CVE-2026-20274, CVE-2026-20279, CVE-2026-20212). No active exploitation known, but immediate patching is urged. #Cisco #CyberSecurity #RCE #Networking\n\n\ud83c\udf10 cyber[.]netsecops[.]io", "creation_timestamp": "2026-09-05T16:20:49.576837Z"} {"uuid": "f9a456b8-ef7d-4fee-97cc-e0cf08b850be", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-20212", "type": "seen", "source": "https://bsky.app/profile/netsecio.bsky.social/post/3murv4cxd6m2r", "content": "Cisco patches 3 critical (CVSS 9.8) remote code execution vulnerabilities in IOS XR software (CVE-2026-20274, CVE-2026-20279, CVE-2026-20212). No active exploitation known, but immediate patching is urged. #Cisco #CyberSecurity #RCE #Networking\n\n\ud83c\udf10 cyber[.]netsecops[.]io", "creation_timestamp": "2026-09-05T16:20:49.576837Z"} https://vulnerability.circl.lu/sighting/f9a456b8-ef7d-4fee-97cc-e0cf08b850be/export Sat, 05 Sep 2026 16:20:49 +0000 https://vulnerability.circl.lu/sighting/0773c796-8717-4c91-98fe-e23ec17d157f/export {"uuid": "0773c796-8717-4c91-98fe-e23ec17d157f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-20212", "type": "seen", "source": "https://mastodon.social/ap/users/115426718704364579/statuses/117219342884656217", "content": "\ud83d\udcf0 Cisco Patches Three Critical Flaws in IOS XR Network Software\nCisco patches 3 critical (CVSS 9.8) remote code execution vulnerabilities in IOS XR software (CVE-2026-20274, CVE-2026-20279, CVE-2026-20212). No active exploitation known, but immediate patching is urged. #Cisco #CyberSecurity #RCE #Networking\n\ud83d\udd17 https://cyber.netsecops.io/articles/cisco-patches-three-critical-vulnerabilities-in-ios-xr-software/?utm_source=mastodon&utm_medium=social&utm_campaign=daily", "creation_timestamp": "2026-09-05T16:20:40.492010Z"} {"uuid": "0773c796-8717-4c91-98fe-e23ec17d157f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-20212", "type": "seen", "source": "https://mastodon.social/ap/users/115426718704364579/statuses/117219342884656217", "content": "\ud83d\udcf0 Cisco Patches Three Critical Flaws in IOS XR Network Software\nCisco patches 3 critical (CVSS 9.8) remote code execution vulnerabilities in IOS XR software (CVE-2026-20274, CVE-2026-20279, CVE-2026-20212). No active exploitation known, but immediate patching is urged. #Cisco #CyberSecurity #RCE #Networking\n\ud83d\udd17 https://cyber.netsecops.io/articles/cisco-patches-three-critical-vulnerabilities-in-ios-xr-software/?utm_source=mastodon&utm_medium=social&utm_campaign=daily", "creation_timestamp": "2026-09-05T16:20:40.492010Z"} https://vulnerability.circl.lu/sighting/0773c796-8717-4c91-98fe-e23ec17d157f/export Sat, 05 Sep 2026 16:20:40 +0000 https://vulnerability.circl.lu/sighting/8d6dd820-baa7-42a7-bcd5-dec9dad8d01a/export {"uuid": "8d6dd820-baa7-42a7-bcd5-dec9dad8d01a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-20212", "type": "seen", "source": "https://bsky.app/profile/0daynews.bsky.social/post/3murfpkogf723", "content": "Unauthenticated RCE in Cisco Nexus 9000 Silicon One Switches https://0daynews.com/cves/cve-2026-20212", "creation_timestamp": "2026-09-05T11:45:14.883143Z"} {"uuid": "8d6dd820-baa7-42a7-bcd5-dec9dad8d01a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-20212", "type": "seen", "source": "https://bsky.app/profile/0daynews.bsky.social/post/3murfpkogf723", "content": "Unauthenticated RCE in Cisco Nexus 9000 Silicon One Switches https://0daynews.com/cves/cve-2026-20212", "creation_timestamp": "2026-09-05T11:45:14.883143Z"} https://vulnerability.circl.lu/sighting/8d6dd820-baa7-42a7-bcd5-dec9dad8d01a/export Sat, 05 Sep 2026 11:45:14 +0000 https://vulnerability.circl.lu/sighting/4451d4ad-0518-42bf-9e9f-85f676136610/export {"uuid": "4451d4ad-0518-42bf-9e9f-85f676136610", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-20212", "type": "seen", "source": "https://bsky.app/profile/0daynews.bsky.social/post/3murbjitflo2t", "content": "Cisco Patches Critical RCE in Nexus 9000 Switches https://0daynews.com/articles/2026-09-04-cisco-nexus-9000-cve-2026-20212-critical-rce", "creation_timestamp": "2026-09-05T10:30:16.874890Z"} {"uuid": "4451d4ad-0518-42bf-9e9f-85f676136610", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-20212", "type": "seen", "source": "https://bsky.app/profile/0daynews.bsky.social/post/3murbjitflo2t", "content": "Cisco Patches Critical RCE in Nexus 9000 Switches https://0daynews.com/articles/2026-09-04-cisco-nexus-9000-cve-2026-20212-critical-rce", "creation_timestamp": "2026-09-05T10:30:16.874890Z"} https://vulnerability.circl.lu/sighting/4451d4ad-0518-42bf-9e9f-85f676136610/export Sat, 05 Sep 2026 10:30:16 +0000 https://vulnerability.circl.lu/sighting/6739f6c5-7572-4f4c-9953-936b9564cb47/export {"uuid": "6739f6c5-7572-4f4c-9953-936b9564cb47", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-20212", "type": "seen", "source": "https://bsky.app/profile/hacker.at.thenote.app/post/3mupefwyd5s25", "content": "Cisco Fixed Critical RCE in Nexus 9000 Series Switches\n\nCisco patched a critical Nexus 9000 vulnerability, CVE-2026-20212, allowing unauthenticated remote root code execution. Cisco has released patches for a critical flaw, tracked as tracked as CVE-2026-20212 (CVSS score of 9.8) \u2026\n#hackernews #news", "creation_timestamp": "2026-09-04T16:16:39.764167Z"} {"uuid": "6739f6c5-7572-4f4c-9953-936b9564cb47", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-20212", "type": "seen", "source": "https://bsky.app/profile/hacker.at.thenote.app/post/3mupefwyd5s25", "content": "Cisco Fixed Critical RCE in Nexus 9000 Series Switches\n\nCisco patched a critical Nexus 9000 vulnerability, CVE-2026-20212, allowing unauthenticated remote root code execution. Cisco has released patches for a critical flaw, tracked as tracked as CVE-2026-20212 (CVSS score of 9.8) \u2026\n#hackernews #news", "creation_timestamp": "2026-09-04T16:16:39.764167Z"} https://vulnerability.circl.lu/sighting/6739f6c5-7572-4f4c-9953-936b9564cb47/export Fri, 04 Sep 2026 16:16:39 +0000 https://vulnerability.circl.lu/sighting/1b39c510-2921-4c25-979f-cb3697eda600/export {"uuid": "1b39c510-2921-4c25-979f-cb3697eda600", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-20212", "type": "seen", "source": "https://bsky.app/profile/securitycyebruk.bsky.social/post/3muoyoz5cwu2w", "content": "Cisco patched a critical Nexus 9000 flaw, CVE-2026-20212 (CVSS 9.8): unauthenticated root RCE via TCP 43210/43211. No known exploitation. Upgrade NX-OS. https://securityweek.com/cisco-warns-of-unpatched-secure-email-flaws-patches-critical-switch-vulnerabilities", "creation_timestamp": "2026-09-04T12:46:58.277117Z"} {"uuid": "1b39c510-2921-4c25-979f-cb3697eda600", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-20212", "type": "seen", "source": "https://bsky.app/profile/securitycyebruk.bsky.social/post/3muoyoz5cwu2w", "content": "Cisco patched a critical Nexus 9000 flaw, CVE-2026-20212 (CVSS 9.8): unauthenticated root RCE via TCP 43210/43211. No known exploitation. Upgrade NX-OS. https://securityweek.com/cisco-warns-of-unpatched-secure-email-flaws-patches-critical-switch-vulnerabilities", "creation_timestamp": "2026-09-04T12:46:58.277117Z"} https://vulnerability.circl.lu/sighting/1b39c510-2921-4c25-979f-cb3697eda600/export Fri, 04 Sep 2026 12:46:58 +0000 https://vulnerability.circl.lu/sighting/e5bf6c5b-8c3c-4c52-be18-f56528cffa9b/export {"uuid": "e5bf6c5b-8c3c-4c52-be18-f56528cffa9b", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-20212", "type": "published-proof-of-concept", "source": "Telegram/_CQMtoE_EbSJ7yTkSwzPGTr5n5cXGRrCDjqhXlQyTvYmv40", "content": "", "creation_timestamp": "2026-09-04T12:00:13.363827Z"} {"uuid": "e5bf6c5b-8c3c-4c52-be18-f56528cffa9b", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-20212", "type": "published-proof-of-concept", "source": "Telegram/_CQMtoE_EbSJ7yTkSwzPGTr5n5cXGRrCDjqhXlQyTvYmv40", "content": "", "creation_timestamp": "2026-09-04T12:00:13.363827Z"} https://vulnerability.circl.lu/sighting/e5bf6c5b-8c3c-4c52-be18-f56528cffa9b/export Fri, 04 Sep 2026 12:00:13 +0000 https://vulnerability.circl.lu/sighting/6f802fdf-5754-4109-9668-842dbd832722/export {"uuid": "6f802fdf-5754-4109-9668-842dbd832722", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-20212", "type": "seen", "source": "https://t.me/CyberDispatch/2819", "content": "A critical Cisco Nexus 9000 flaw lets unauthenticated remote attackers run code as root.\n\nCVE-2026-20212 leaves TCP ports 43210 and 43211 reachable in the default Layer 3 VRF on 10 switch models.", "creation_timestamp": "2026-09-04T07:00:05.275801Z"} {"uuid": "6f802fdf-5754-4109-9668-842dbd832722", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-20212", "type": "seen", "source": "https://t.me/CyberDispatch/2819", "content": "A critical Cisco Nexus 9000 flaw lets unauthenticated remote attackers run code as root.\n\nCVE-2026-20212 leaves TCP ports 43210 and 43211 reachable in the default Layer 3 VRF on 10 switch models.", "creation_timestamp": "2026-09-04T07:00:05.275801Z"} https://vulnerability.circl.lu/sighting/6f802fdf-5754-4109-9668-842dbd832722/export Fri, 04 Sep 2026 07:00:05 +0000