GHSA-8r89-8w26-cq32Published
Missing authorization check in AI message rewrite endpoint allows access to private thread content
Explicit identifiers and source references
These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.
CVE-2026-5163 · Microsoft / collected KEV context
cve-program · CVE-2026-5163
euvd · EUVD-2026-30753
nvd · CVE-2026-5163
osv · GHSA-8r89-8w26-cq32
- https://nvd.nist.gov/vuln/detail/CVE-2026-5163
- https://github.com/mattermost/mattermost/commit/f4d1abe7e8f545f1a87f463fa9fe451c731aebf8
- https://github.com/mattermost/mattermost
- https://mattermost.com/security-updates
osv · GO-2026-5263
Related operational evidence
Explicit CVE identifiersNo related operational record is retained in the current change model.