CVE-2026-119664
mediumTamery (formerly Conar) 0.26.1 before 0.99.0 contains an authorization bypass vulnerability in the cloud sync API chatsMessages.update handler, which leaves th…
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
4.3
4.3 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Severity source: NVD CVSS v3.1 (disclosure@vulncheck.com)
Timeline (UTC)
Published: 2026-10-30 15:16
Modified: 2026-10-30 19:23
NVD status: Deferred
Last synced 1 day ago
Verified against the source API 2026-10-30 19:54 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/wannabespace/tamery disclosure@vulncheck.com
- https://github.com/wannabespace/tamery/blob/v0.32.0/apps/api/orpc/routers/chats-messages/u... disclosure@vulncheck.com
- https://github.com/wannabespace/tamery/commit/76e75a9569f31405751a63048bae076f500c1c2c disclosure@vulncheck.com
- https://github.com/wannabespace/tamery/issues/601 disclosure@vulncheck.com
- https://hackmd.io/@hieuPenguinnn/conar-broken-ownership-cross-user-write disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/tamery-conar-0.26.1-before-0.99.0-authorization-bypas... disclosure@vulncheck.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-30 19:54 UTC · record ↗