CVE-2026-6343Published
Mattermost Playbooks Plugin fails to enforce view permissions in list endpoints, allowing unauthorized access to public playbooks
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-2026-6343 · Microsoft / collected KEV context
cve-program · CVE-2026-6343
euvd · EUVD-2026-30751
nvd · CVE-2026-6343
osv · GHSA-m79q-8qf5-v622
- https://nvd.nist.gov/vuln/detail/CVE-2026-6343
- https://github.com/mattermost/mattermost-plugin-playbooks/commit/887d9cacb61655d40f20ad9d6e35b408a127c380
- https://github.com/mattermost/mattermost
- https://mattermost.com/security-updates
osv · GO-2026-5494
Related operational evidence
Explicit CVE identifiersNo related operational record is retained in the current change model.