UpHeron
All vulnerabilities

Servers and applications

CVE-2025-9081

Mattermost versions 10.5.x <= 10.5.8, 9.11.x <= 9.11.17 fail to properly validate access controls which allows any authenticated user to download sensitive files via board file download endpoint using UUID enumeration

Severity
Medium 6.5
Published
19 Sept 2025
Last changed
19 Oct 2026
Added to UpHeron
1 Nov 2026
Fixed in
9.11.17, 10.5.9
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost_server
  • From 9.11.0 before 9.11.17
  • From 10.5.0 before 10.5.9

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-9081
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-9081