CVE-2026-119664
MEDIUM
NVD
CVSS Score
4.3
Severity
MEDIUM
Published
Oct 30, 2026
Vendor
unknown
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.
References
- https://github.com/wannabespace/tamery
- https://github.com/wannabespace/tamery/blob/v0.32.0/apps/api/orpc/routers/chats-messages/update.ts#L9-L36
- https://github.com/wannabespace/tamery/commit/76e75a9569f31405751a63048bae076f500c1c2c
- https://github.com/wannabespace/tamery/issues/601
- https://hackmd.io/@hieuPenguinnn/conar-broken-ownership-cross-user-write