Go/github.com/mattermost/mattermost/server/v8 CVE-2026-25780: unknown, EPSS 0.28%

Mattermost fails to bound memory allocation when processing DOC files in github.com/mattermost/mattermost-server

Action: Upgrade github.com/mattermost/mattermost/server/v8 to 8.0.0-20260123215601-86797c508c44 or later.

go get github.com/mattermost/mattermost/server/v8@v8.0.0-20260123215601-86797c508c44

Affected

Fixed versions

Sources

• osv: GO-2026-4733#Go/github.com/mattermost/mattermost/server/v8
• https://github.com/advisories/GHSA-xv2p-wchj-qjhp
• https://nvd.nist.gov/vuln/detail/CVE-2026-25780
• https://github.com/mattermost/mattermost/commit/86797c508c444e299b20889ce241fde505a402cc
• https://mattermost.com/security-updates

CVE-2026-25780 · published 2026-03-23T18:14:47Z · modified 2026-03-23T18:45:15.212931Z · JSON