CVE-2026-5139Published
GitLab Plugin Allows Non-Admin Users to Modify Default Instance Configuration
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-2026-5139 · Microsoft / collected KEV context
cve-program · CVE-2026-5139
euvd · EUVD-2026-38246
nvd · CVE-2026-5139
osv · GHSA-2g8v-grq3-hq2g
- https://nvd.nist.gov/vuln/detail/CVE-2026-5139
- https://github.com/mattermost/mattermost
- https://mattermost.com/security-updates
osv · GO-2026-6480
Related operational evidence
Explicit CVE identifiersNo related operational record is retained in the current change model.