VDB
GO-2025-4169
GO-2025-4169
PUBLISHED
CVSS 9.300000190734863 CRITICAL
Mattermost fails to sanitize team email addresses in github.com/mattermost/mattermost-server
Risk Scores
CVSS v4.0
9.300000190734863
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| github.com | mattermost/mattermost/server/v8 | 0, 0 |
| github.com | mattermost/mattermost-server | 0, 0 |
| github.com | mattermost/mattermost-server/v6 | 0, 0 |
| github.com | mattermost/mattermost-server/v5 | 0, 0 |
Timeline
- Dec 15, 2025 CVE Published
- Mar 3, 2026 CVE Updated
- May 1, 2026 Security Advisory
References
- https://github.com/advisories/GHSA-4g87-9x45-cx2h advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-12559 advisory
- https://github.com/mattermost/mattermost/commit/5d8719042c1807da59ac8a821624eb01152d8495 url
- https://github.com/mattermost/mattermost/commit/649aee8fa9184ca59bd66022a33b8f8918e413aa url
- https://github.com/mattermost/mattermost/commit/7ccb62db7958abd6a4b21a06c5a4f5367a8f8b1f url
- https://github.com/mattermost/mattermost/commit/9f54e5cdc3aef412945ff0e6a58338f7b549bdda url
- https://github.com/mattermost/mattermost/commit/abbf01b9db45d1850eaf3701ea8362b910193ffd url
- https://github.com/mattermost/mattermost/pull/34110 url
- https://mattermost.com/security-updates url