| id: GO-2026-4478 |
| modules: |
| - module: github.com/mattermost/mattermost-server |
| non_go_versions: |
| - fixed: 3.8.1-0.20170504181128-4f074fed0d65 |
| vulnerable_at: 11.4.0+incompatible |
| summary: |- |
| Mattermost Server SAML implementation does not require encryption or signature |
| verification as default in github.com/mattermost/mattermost-server |
| cves: |
| - CVE-2017-18909 |
| ghsas: |
| - GHSA-r6j5-fqx9-7qv9 |
| references: |
| - advisory: https://github.com/advisories/GHSA-r6j5-fqx9-7qv9 |
| - advisory: https://nvd.nist.gov/vuln/detail/CVE-2017-18909 |
| - web: https://github.com/mattermost/mattermost/commit/4f074fed0d653a28779ac586e418341232d43e95 |
| - web: https://mattermost.com/security-updates |
| source: |
| id: GHSA-r6j5-fqx9-7qv9 |
| created: 2026-02-13T20:20:53.372490492Z |
| review_status: UNREVIEWED |
