VDB
GO-2026-4462
GO-2026-4462
PUBLISHED
CVSS 9.300000190734863 CRITICAL
Mattermost Server server restarts may provide attackers with API access 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 | 3.8.0+incompatible, 3.7.0+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-hxxj-8phw-74vw advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-18915 advisory
- https://github.com/mattermost/mattermost/commit/0968e4079e0aa670254f3fe3a7248d126e3cf877 url
- https://github.com/mattermost/mattermost/commit/c7bdce8a6641ed8d361a43b6004a351535c78423 url
- https://github.com/mattermost/mattermost/commit/fb325cc339eb8d8efb60dbadc48fd38897201c6f url
- https://mattermost.com/security-updates url