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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
wannabespace tamery unaffected
Version Status Constraints
0.26.1 affected < 0.99.0

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/wannabespace/tamery cve-icon cve-icon
https://github.com/wannabespace/tamery/blob/v0.32.0/apps/api/orpc/routers/chats-messages/update.ts#L9-L36 cve-icon cve-icon
https://github.com/wannabespace/tamery/commit/76e75a9569f31405751a63048bae076f500c1c2c cve-icon cve-icon
https://github.com/wannabespace/tamery/issues/601 cve-icon cve-icon
https://hackmd.io/@hieuPenguinnn/conar-broken-ownership-cross-user-write cve-icon cve-icon
https://www.vulncheck.com/advisories/tamery-conar-0.26.1-before-0.99.0-authorization-bypass-via-chatsmessages-update cve-icon cve-icon
History

Fri, 30 Oct 2026 14:30:00 +0000

Type Values Removed Values Added
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.
Title Tamery (Conar) 0.26.1 before 0.99.0 Authorization Bypass via chatsMessages.update
Weaknesses CWE-639
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-30T14:16:24.007Z

Reserved: 2026-10-30T13:43:50.626Z

Link: CVE-2026-119664

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-30T15:16:50.873

Modified: 2026-10-30T15:16:50.873

Link: CVE-2026-119664

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses