CVE-2026-119664

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.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
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
https://www.vulncheck.com/advisories/tamery-conar-0.26.1-before-0.99.0-authorization-bypass-via-chatsmessages-update

Configurations

No configuration.

History

30 Oct 2026, 15:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-30 15:16

Updated : 2026-10-30 19:23

NVD link : CVE-2026-119664

Mitre link : CVE-2026-119664

CVE.ORG link : CVE-2026-119664

JSON object : View

Products Affected

No product.

CWE

CWE-639

Authorization Bypass Through User-Controlled Key

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