Go/github.com/mattermost/mattermost-server CVE-2026-4053: low 3.1, EPSS 0.17%
Mattermost doesn't enforce the PostEditTimeLimit on non-message post fields
Action: Upgrade github.com/mattermost/mattermost-server to 0.0.0-20260414103857-b21ef302025e or later.
go get github.com/mattermost/mattermost-server@v11.5.2go get github.com/mattermost/mattermost-server@v0.0.0-20260414103857-b21ef302025eAffected
| introduced | fixed | last affected |
|---|---|---|
| 11.5.0 | 11.5.2 | - |
| 0.0.0-20250731163400-5b955468ea1e | 0.0.0-20260414103857-b21ef302025e | - |
Fixed versions
| 11.5.2 | 0.0.0-20260414103857-b21ef302025e |
Sources
- osv: GHSA-hw87-6jcq-9f8q
- https://nvd.nist.gov/vuln/detail/CVE-2026-4053
- https://github.com/mattermost/mattermost
- https://mattermost.com/security-updates
CVE-2026-4053 · published · modified · JSON