{"id":"CVE-2026-119660","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-119660","summary":"MuseBot before 2.0.0 contains an authentication bypass vulnerability that allows unauthenticated attackers to forge admin sessions by using the hard-coded default session_key 'muse_bot_session_key'.…","details":"MuseBot before 2.0.0 contains an authentication bypass vulnerability that allows unauthenticated attackers to forge admin sessions by using the hard-coded default session_key 'muse_bot_session_key'. Attackers can sign a MuseBot-session cookie carrying a user_id to gain full administrative access, reading password hashes, chat records, and bot configuration, and stopping bots.","published":"2026-10-30T15:16:50.197","modified":"2026-10-30T15:16:50.197","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/yincongcyincong/MuseBot/commit/139f6158b50283b983d76976f593a3a09a064681","label":"yincongcyincong/MuseBot@139f615"},"references":[{"type":"WEB","url":"https://github.com/yincongcyincong/MuseBot"},{"type":"WEB","url":"https://github.com/yincongcyincong/MuseBot/blob/v1.0.42/admin/conf/conf.go#L28"},{"type":"WEB","url":"https://github.com/yincongcyincong/MuseBot/blob/v1.0.42/admin/controller/login.go#L19-L88"},{"type":"WEB","url":"https://github.com/yincongcyincong/MuseBot/commit/139f6158b50283b983d76976f593a3a09a064681"},{"type":"WEB","url":"https://github.com/yincongcyincong/MuseBot/commit/3e64518948fe7037058f07ef987d35216c3f0cae"},{"type":"WEB","url":"https://github.com/yincongcyincong/MuseBot/issues/61"},{"type":"WEB","url":"https://hackmd.io/@hieuPenguinnn/musebot-admin-default-session-key-auth-bypass"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/musebot-before-2.0.0-authentication-bypass-via-hard-coded-session-key"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-10-30T15:16:50.197"}}