| id: GO-2026-4301 |
| 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 mishandles redirect denial action in github.com/mattermost/mattermost-server |
| cves: |
| - CVE-2017-18897 |
| ghsas: |
| - GHSA-f7c3-7vp3-44p6 |
| references: |
| - advisory: https://github.com/advisories/GHSA-f7c3-7vp3-44p6 |
| - advisory: https://nvd.nist.gov/vuln/detail/CVE-2017-18897 |
| - web: https://github.com/mattermost/mattermost/commit/3c34e2b2dcb0fde96a10e68d877aa7d0ab511669 |
| - web: https://github.com/mattermost/mattermost/commit/722fb1947a2e7395ccf16adce9206736d803a9f3 |
| - web: https://github.com/mattermost/mattermost/commit/d38328976e2c8bb0fab91e656042a0d8ac37bc76 |
| - web: https://mattermost.com/security-updates |
| source: |
| id: GHSA-f7c3-7vp3-44p6 |
| created: 2026-01-13T10:44:35.828075619-05:00 |
| review_status: UNREVIEWED |