{"id":"CVE-2026-119664","published":"2026-10-30T15:16:50.873","lastModified":"2026-10-30T19:23:25.493","description":"Tamery (formerly Conar) 0.26.1 before 0.99.0 contains an authorization bypass vulnerability in the cloud sync API chatsMessages.update handler, which leaves the client-supplied chatId writable. Authenticated Pro subscribers who know another user's chat ID can move messages with arbitrary parts and metadata into the victim's AI chat history.","cvssScore":4.3,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","cwes":["CWE-639"],"vendors":[],"products":[],"references":[{"url":"https://github.com/wannabespace/tamery","tags":[]},{"url":"https://github.com/wannabespace/tamery/blob/v0.32.0/apps/api/orpc/routers/chats-messages/update.ts#L9-L36","tags":[]},{"url":"https://github.com/wannabespace/tamery/commit/76e75a9569f31405751a63048bae076f500c1c2c","tags":[]},{"url":"https://github.com/wannabespace/tamery/issues/601","tags":[]},{"url":"https://hackmd.io/@hieuPenguinnn/conar-broken-ownership-cross-user-write","tags":[]},{"url":"https://www.vulncheck.com/advisories/tamery-conar-0.26.1-before-0.99.0-authorization-bypass-via-chatsmessages-update","tags":[]}],"exploitRefs":[{"url":"https://github.com/wannabespace/tamery","tags":[]},{"url":"https://github.com/wannabespace/tamery/blob/v0.32.0/apps/api/orpc/routers/chats-messages/update.ts#L9-L36","tags":[]},{"url":"https://github.com/wannabespace/tamery/commit/76e75a9569f31405751a63048bae076f500c1c2c","tags":[]},{"url":"https://github.com/wannabespace/tamery/issues/601","tags":[]}],"hasPoc":true,"ai":null}