UpHeron
All vulnerabilities

Servers and applications

CVE-2025-41423

Mattermost versions 10.4.x <= 10.4.2, 10.5.x <= 10.5.0, 9.11.x <= 9.11.10 fail to properly validate permissions for the API endpoint /plugins/playbooks/api/v0/signal/keywords/ignore-thread, allowing any user or attacker to delete posts containing actions created by the Playbooks bot, even without channel access or appropriate permissions.

Severity
Medium 4.3
Published
24 Apr 2025
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
9.11.11, 10.4.3
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost_server
  • From 9.11.0 before 9.11.11
  • From 10.4.0 before 10.4.3
  • Version 10.5.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-41423
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-41423