CVE-2026-119664 Details
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.
A vulnerability allowing authorization bypass has been identified in Tamery (formerly Conar) versions 0.26.1 prior to 0.99.0. This vulnerability exists in the cloud sync API's chatsMessages.update handler, where the client-supplied chatId is writable. Authenticated Pro subscribers who are aware of another user's chat ID can manipulate messages by injecting arbitrary content and metadata into the victim's AI chat history.
Users are advised to update Tamery to version 0.99.0 or later, where this vulnerability has been addressed.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 30, 2026CISA-ADP
Assessed Nov 5, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://hackmd.io/@hieuPenguinnn/conar-broken-ownership-cross-user-write | CISA-ADP | Technical Analysis |
| https://github.com/wannabespace/tamery | [email protected] | ProductVendor |
| https://github.com/wannabespace/tamery/blob/v0.32.0/apps/api/orpc/routers/chats-messages/update.ts#L9-L36 | [email protected] | Source CodeVendor |
| https://github.com/wannabespace/tamery/commit/76e75a9569f31405751a63048bae076f500c1c2c | [email protected] | Source CodeVendor |
| https://github.com/wannabespace/tamery/issues/601 | [email protected] | Issue TrackingTechnical DescriptionVendor |
| https://hackmd.io/@hieuPenguinnn/conar-broken-ownership-cross-user-write | [email protected] | Technical Analysis |
| https://www.vulncheck.com/advisories/tamery-conar-0.26.1-before-0.99.0-authorization-bypass-via-chatsmessages-update | [email protected] | AdvisoryBundleRemedy |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-639 | Authorization Bypass Through User-Controlled Key | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Tamery | >= 0.26.1, < 0.99.0 (semver) |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Nov 5, 2026 | CVE Modified | CISA-ADP |
| Oct 30, 2026 | New CVE Received | [email protected] |