Go/github.com/mattermost/mattermost-server/v6 CVE-2026-3495: unknown, EPSS 0.14%
Mattermost doesn't escape some variables that could contain malicious content during error page composition in github.com/mattermost/mattermost-server
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | - |
Fixed versions
No fixed version in the source.
Sources
- osv: GO-2026-5484#Go/github.com/mattermost/mattermost-server/v6
- https://github.com/advisories/GHSA-jx93-pf6x-874r
- https://nvd.nist.gov/vuln/detail/CVE-2026-3495
- https://github.com/mattermost/mattermost/commit/5a1ea95044dc2d1ca601bfe9a4c1bc17990f3872
- https://mattermost.com/security-updates
CVE-2026-3495 · published · modified · JSON