Go/github.com/mattermost/mattermost-server/v5 CVE-2026-2457: unknown, EPSS 0.11%
Mattermost allows attackers to spoof permalink embeds 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-2026-4732#Go/github.com/mattermost/mattermost-server/v5
- https://github.com/advisories/GHSA-ph22-fw5m-w2q9
- https://nvd.nist.gov/vuln/detail/CVE-2026-2457
- https://github.com/mattermost/mattermost/commit/9efe617be8b8f1d036e12721e8e73b69a543ed34
- https://mattermost.com/security-updates
CVE-2026-2457 · published · modified · JSON