| id: GO-2026-4464 |
| modules: |
| - module: github.com/mattermost/mattermost-server |
| versions: |
| - fixed: 3.6.7-rc1+incompatible |
| - introduced: 3.7.0+incompatible |
| - fixed: 3.7.5+incompatible |
| - introduced: 3.8.0+incompatible |
| - fixed: 3.8.2+incompatible |
| vulnerable_at: 3.8.2-rc1+incompatible |
| summary: Mattermost Server has X.509 Improper Certificate Validation in github.com/mattermost/mattermost-server |
| cves: |
| - CVE-2017-18911 |
| ghsas: |
| - GHSA-m462-mqw4-2c8m |
| references: |
| - advisory: https://github.com/advisories/GHSA-m462-mqw4-2c8m |
| - advisory: https://nvd.nist.gov/vuln/detail/CVE-2017-18911 |
| - web: https://github.com/mattermost/mattermost/commit/222bce0c5c1abb2f58c3a6de1fe8c5d3accffb21 |
| - web: https://github.com/mattermost/mattermost/commit/691c18157025d4808b5b11de1d6de01050e54fa6 |
| - web: https://github.com/mattermost/mattermost/commit/e9bb8cdfb4915067349a4840ab15ff941c4eb070 |
| - web: https://mattermost.com/security-updates |
| source: |
| id: GHSA-m462-mqw4-2c8m |
| created: 2026-02-13T20:22:08.945039933Z |
| review_status: UNREVIEWED |
