{"vulnerability": "cve-2026-55521", "sightings": [{"uuid": "85c474f0-bbb0-4174-8b1e-e27fcd6f947e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-55521", "type": "published-proof-of-concept", "source": "https://github.com/yamcs/yamcs/security/advisories/GHSA-962x-ccwf-8x6p", "content": "", "creation_timestamp": "2026-08-28T18:35:19.586641Z"}, {"uuid": "be287e7d-817c-453a-a246-a5aea5fcce05", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55521", "type": "seen", "source": "https://bsky.app/profile/thehackerwire.bsky.social/post/3mubzpnh6ly27", "content": "\ud83d\udfe0 CVE-2026-55521 - High (8.8)\n\nYamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, Yamcs omits authorization check...\n\nhttps://www.thehackerwire.com/vulnerability/CVE-2026-55521/\n\n#infosec #cybersecurity #CVE #vulnerability #security #patchstack", "creation_timestamp": "2026-08-30T09:00:37.372898Z"}]}