GO-2026-5769Published
Missing request origin validation on burn-on-read reveal endpoint
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-2026-6339 · Microsoft / collected KEV context
cve-program · CVE-2026-6339
euvd · EUVD-2026-30749
nvd · CVE-2026-6339
osv · GHSA-xvcx-mgpc-5xh3
- https://nvd.nist.gov/vuln/detail/CVE-2026-6339
- https://github.com/mattermost/mattermost/commit/7a339a6438f5a4a5feba6b8de887f17a1378b207
- https://github.com/mattermost/mattermost
- https://mattermost.com/security-updates
osv · GO-2026-5769
Related operational evidence
Explicit CVE identifiersNo related operational record is retained in the current change model.