| id: GO-2026-4477 |
| modules: |
| - module: github.com/mattermost/mattermost-server |
| versions: |
| - introduced: 3.10.0+incompatible |
| - fixed: 3.10.2+incompatible |
| non_go_versions: |
| - fixed: 3.9.2-0.20170714134023-b17fca0d5ee7 |
| vulnerable_at: 3.10.1+incompatible |
| summary: |- |
| Mattermost Server vulnerable to user account takeover when Single Sign-On OAuth2 |
| is used in github.com/mattermost/mattermost-server |
| cves: |
| - CVE-2017-18906 |
| ghsas: |
| - GHSA-fpcr-4rr5-hpcp |
| references: |
| - advisory: https://github.com/advisories/GHSA-fpcr-4rr5-hpcp |
| - advisory: https://nvd.nist.gov/vuln/detail/CVE-2017-18906 |
| - web: https://github.com/mattermost/mattermost/commit/259ad46f30d0fac2f7c5c14f3b76b2170f7e90c7 |
| - web: https://github.com/mattermost/mattermost/commit/b17fca0d5ee7557e3df1cf1d1da8bd749859e35f |
| - web: https://github.com/mattermost/mattermost/commit/fbc170733e86f09b46ba754dd03304733d2f482f |
| - web: https://mattermost.com/security-updates |
| source: |
| id: GHSA-fpcr-4rr5-hpcp |
| created: 2026-02-13T20:20:58.342954541Z |
| review_status: UNREVIEWED |
