UpHeron
All vulnerabilities

Servers and applications

CVE-2025-2527

Mattermost versions 10.5.x <= 10.5.2, 9.11.x <= 9.11.11 failed to properly verify a user's permissions when accessing groups, which allows an attacker to view group information via an API request.

Severity
Medium 4.3
Published
15 May 2025
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
9.11.12, 10.5.3
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost_server
  • From 9.11.0 before 9.11.12
  • From 10.5.0 before 10.5.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-2527
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-2527