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Servers and applications

CVE-2026-93851

Path traversal in Mattermost Agents plugin mention reminder allows plugin replacement via crafted post

Severity
High 8.0
Published
28 Oct 2026
Last changed
30 Oct 2026
Added to UpHeron
3 Nov 2026
Sources
CVE Program

Affected software

SoftwareAffected versions
MattermostServers and applications · cna:mattermost|mattermost
  • From 11.7.0 up to 11.7.10
  • From 11.8.0 up to 11.8.5
  • From 11.9.0 up to 11.9.1

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-93851