UpHeron
All vulnerabilities

Servers and applications

CVE-2025-55074

Mattermost versions 10.11.x <= 10.11.3, 10.5.x <= 10.5.11 fail to enforce access permissions on the Agents plugin which allows other users to determine when users had read channels via channel member objects

Severity
Low 3.5
Published
18 Nov 2025
Last changed
19 Oct 2026
Added to UpHeron
1 Nov 2026
Fixed in
10.5.12, 10.11.4
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost_server
  • From 10.5.0 before 10.5.12
  • From 10.11.0 before 10.11.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-55074
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-55074