| id: GO-2026-4297 |
| modules: |
| - module: github.com/mattermost/mattermost-server |
| versions: |
| - fixed: 4.0.5+incompatible |
| - introduced: 4.1.0+incompatible |
| - fixed: 4.1.1+incompatible |
| - introduced: 4.2.0-rc1+incompatible |
| - fixed: 4.2.0+incompatible |
| vulnerable_at: 4.2.0-rc4+incompatible |
| summary: Mattermost Server has intermittent Authorization bypass for resource-owners in github.com/mattermost/mattermost-server |
| cves: |
| - CVE-2017-18894 |
| ghsas: |
| - GHSA-gg42-mwr6-p82c |
| references: |
| - advisory: https://github.com/advisories/GHSA-gg42-mwr6-p82c |
| - advisory: https://nvd.nist.gov/vuln/detail/CVE-2017-18894 |
| - web: https://mattermost.com/security-updates |
| source: |
| id: GHSA-gg42-mwr6-p82c |
| created: 2026-01-13T10:45:00.749975218-05:00 |
| review_status: UNREVIEWED |
