{"vulnerability": "CVE-2026-55559", "sightings": [{"uuid": "39c8df10-ee83-41a2-9d9b-b36eeffde1a3", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55559", "type": "seen", "source": "https://bsky.app/profile/stemshop.bsky.social/post/3mu6esqhrrz25", "content": "\ud83d\udea8 CVE-2026-55559 \u2014 CVSS 9.8 CRITICAL\n\nYamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, Yamcs inserts templateArgs from POST /api...\n\n\ud83d\udd0e https://stemshop.top/cve/CVE-2026-55559\n\n#CVE #CyberSecurity #InfoSec", "creation_timestamp": "2026-08-28T22:08:32.566330Z"}, {"uuid": "a163e0e1-72e9-4f05-b063-aac68dbdb8bb", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-55559", "type": "published-proof-of-concept", "source": "https://github.com/yamcs/yamcs/security/advisories/GHSA-73mf-m39p-wpm9", "content": "", "creation_timestamp": "2026-08-28T18:35:13.019663Z"}, {"uuid": "2095ed65-9a8e-4a1e-a7bc-66ff3f644cf2", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55559", "type": "seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3mubz4t3zhx2c", "content": "CVE-2026-55559\nOlder versions of the Yamcs mission control system let a specially crafted web request add malicious configuration data. That data can cause Yamcs to start a process that runs any command it wants, using the\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#CVE #infosec", "creation_timestamp": "2026-08-30T08:50:05.059060Z"}, {"uuid": "396f1b9a-cc92-4801-bcf6-4c18a3fde787", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55559", "type": "seen", "source": "https://bsky.app/profile/thehackerwire.bsky.social/post/3mucafybsb727", "content": "\ud83d\udd34 CVE-2026-55559 - Critical (9.8)\n\nYamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, Yamcs inserts templateArgs from...\n\nhttps://www.thehackerwire.com/vulnerability/CVE-2026-55559/\n\n#infosec #cybersecurity #CVE #vulnerability #security #patchstack", "creation_timestamp": "2026-08-30T11:00:29.367466Z"}]}