https://vulnerability.circl.lu/sightings/feed 2026-10-05T11:45:11.576020+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent sightings. https://vulnerability.circl.lu/sighting/8b1c052b-a1ff-4481-901a-195eb0df52ab/export 2026-10-05T11:45:11.604432+00:00 Automation user https://cvepremium.circl.lu/user/automation {"uuid": "8b1c052b-a1ff-4481-901a-195eb0df52ab", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-105221", "type": "seen", "source": "https://bsky.app/profile/offseq.bsky.social/post/3mx3weseoya2m", "content": "CVE-2026-105221: gist RubyGem <6.1.0 has a CRITICAL SSL validation flaw. Attackers can steal GitHub credentials via intercepted API traffic. Upgrade to 6.1.0+ ASAP. https://radar.offseq.com/threat/cve-2026-105221-improper-certificate-validation-in-defunkt-gist-a4b1b7125f9195f8 #OffSeq #CVE2026105...", "creation_timestamp": "2026-10-05T03:00:29.049686Z"} 2026-10-05T03:00:29.049686+00:00 https://vulnerability.circl.lu/sighting/5888586a-0daa-4ef0-82dc-07f8ef98792f/export 2026-10-05T11:45:11.606772+00:00 Automation user https://cvepremium.circl.lu/user/automation {"uuid": "5888586a-0daa-4ef0-82dc-07f8ef98792f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-105221", "type": "seen", "source": "https://infosec.exchange/users/offseq/statuses/117386066373169204", "content": "CRITICAL: gist RubyGem versions 4.0.0 \u2013 <6.1.0 vulnerable to improper cert validation (CVE-2026-105221). SSL verification is disabled, exposing GitHub creds to on-path attackers. Patch to 6.1.0+ now! https://radar.offseq.com/threat/cve-2026-105221-improper-certificate-validation-in-defunkt-gist-a4b1b7125f9195f8 #OffSeq #CVE2026105221 #RubyGems #infosec", "creation_timestamp": "2026-10-05T03:00:26.403560Z"} 2026-10-05T03:00:26.403560+00:00 https://vulnerability.circl.lu/sighting/6d32de2c-5035-410e-8dbe-e1f28c544de5/export 2026-10-05T11:45:11.606870+00:00 Automation user https://cvepremium.circl.lu/user/automation {"uuid": "6d32de2c-5035-410e-8dbe-e1f28c544de5", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-105221", "type": "seen", "source": "https://bsky.app/profile/stemshop.bsky.social/post/3mx3mp25wbz2z", "content": "\ud83d\udea8 CVE-2026-105221 \u2014 CVSS 9.1 CRITICAL\n\nThe gist RubyGem before 6.1.0 contains an improper certificate validation vulnerability that allows on-path...\n\n\ud83d\udd0e https://stemshop.top/cve/CVE-2026-105221\n\n#CVE #CyberSecurity #InfoSec", "creation_timestamp": "2026-10-05T00:07:14.312081Z"} 2026-10-05T00:07:14.312081+00:00 https://vulnerability.circl.lu/sighting/7bfb9b51-8aca-4749-b08f-568b897f8cea/export 2026-10-05T11:45:11.606944+00:00 Automation user https://cvepremium.circl.lu/user/automation {"uuid": "7bfb9b51-8aca-4749-b08f-568b897f8cea", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-105221", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/gnml3k5zl2dyu", "content": "CVE-2026-105221 - Gist RubyGem before 6.1.0 Disabled TLS Certificate Verification\nCVE ID : CVE-2026-105221\n \n Published : Oct. 4, 2026, 10:31 p.m. | 37\u00a0minutes ago\n \n Description : The gist RubyGem before 6.1.0 contains an improper certificate validation vulnerability that all...", "creation_timestamp": "2026-10-04T23:45:44.294185Z"} 2026-10-04T23:45:44.294185+00:00