VDB
GO-2025-4247
GO-2025-4247
PUBLISHED
CVSS 9.300000190734863 CRITICAL
Mattermost GitHub Plugin Bot Identity Validation Bypass Allows Arbitrary GitHub Reaction Injection in github.com/mattermost/mattermost
Risk Scores
CVSS 4.0
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-plugin-github | 0 |
| github.com | mattermost/mattermost-server/v6 | 0 |
| github.com | mattermost/mattermost-server | 10.11.0-rc1+incompatible |
| github.com | mattermost/mattermost-server/v5 | 0 |
| github.com | mattermost/mattermost | 11.0.0-alpha.1+incompatible |
| github.com | mattermost/mattermost/server/v8 | 0 |
Timeline
- Dec 22, 2025 CVE Published
- Mar 3, 2026 CVE Updated
- Oct 14, 2026 Security Advisory
References
- https://github.com/advisories/GHSA-jf5h-xfw4-p8gp advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-13352 advisory
- https://github.com/mattermost/mattermost-plugin-github/commit/0deffcfc6bee7eaf01f7c99100e3d12e8d9df68c patch
- https://github.com/mattermost/mattermost/commit/3b05384dd0146c1be3caa620a42e00e46027055d patch
- https://mattermost.com/security-updates url