VDB
GO-2026-4467
GO-2026-4467
PUBLISHED
CVSS 9.300000190734863 CRITICAL
Mattermost Server has Improper Authorization for Integration Requests in github.com/mattermost/mattermost-server
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-server | 3.7.0+incompatible, 3.8.0+incompatible, 3.7.0+incompatible |
Timeline
- Feb 17, 2026 CVE Published
- Feb 19, 2026 CVE Updated
- May 1, 2026 Security Advisory
References
- https://github.com/advisories/GHSA-x33g-375j-jhf7 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-18916 advisory
- https://mattermost.com/security-updates url
- https://github.com/mattermost/mattermost/commit/0968e4079e0aa670254f3fe3a7248d126e3cf877 fix
- https://github.com/mattermost/mattermost/commit/b74e85653660525d351d090a1e1874ae933bcbc8 fix
- https://github.com/mattermost/mattermost/commit/fb325cc339eb8d8efb60dbadc48fd38897201c6f fix