Vulnerability · Published Oct 30, 2026 · Assigned by VulnCheck
CVE-2026-119664Tamery (Conar) 0.26.1 before 0.99.0 Authorization Bypass via chatsMessages.update
Medium 4.3
In plain English
A medium-severity authorization bypass via user-controlled key in tamery from wannabespace. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 22% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.3%top 77.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| wannabespace | tamery | 0.26.1 – before 0.99.0 |
Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
References
- https://github.com/wannabespace/tamery/issues/601 issue-tracking
- https://github.com/wannabespace/tamery/commit/76e75a9569f31405751a63048bae076f500c1c2c patch
- https://github.com/wannabespace/tamery/blob/v0.32.0/apps/api/orpc/routers/chats-messages/update.ts#L9-L36 technical-description
- https://hackmd.io/@hieuPenguinnn/conar-broken-ownership-cross-user-write third-party-advisory
- https://github.com/wannabespace/tamery product
- VulnCheck Advisory: Tamery (Conar) 0.26.1 before 0.99.0 Authorization Bypass via chatsMessages.update third-party-advisory