{"action":"Upgrade corosync to 3.1.9-2+deb13u1 or later.","affected":[{"fixed":"3.1.9-2+deb13u1","introduced":"0"}],"component":"corosync","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["3.1.9-2+deb13u1"],"id":"tcs_01M5NRT7MKSZWVG2SBXPPB9T69","modified_at":"2026-10-27T09:47:43.034580595Z","published_at":"2026-04-01T14:16:57.040Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-35091","https://security-tracker.debian.org/tracker/CVE-2026-35091"],"severity":{"label":"high","score":8.2},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-35091#Debian:13/corosync","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-35091"}],"summary":"A flaw was found in Corosync. A remote unauthenticated attacker can exploit a wrong return value vulnerability in the Corosync membership commit token sanity check by sending a specially crafted User"}