UpHeron
All vulnerabilities

Servers and applications

CVE-2025-4981

Mattermost versions 10.5.x <= 10.5.5, 9.11.x <= 9.11.15, 10.8.x <= 10.8.0, 10.7.x <= 10.7.2, 10.6.x <= 10.6.5 fail to sanitize filenames in the archive extractor which allows authenticated users to write files to arbitrary locations on the filesystem via uploading archives with path traversal sequences in filenames, potentially leading to remote code execution. The vulnerability impacts…

Severity
Critical 9.9
Published
20 Jun 2025
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
9.11.16, 10.5.6, 10.6.6, 10.7.3
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost_server
  • Version 10.8.0
  • Version 10.8.0-rc3
  • Version 10.8.0-rc2
  • Version 10.8.0-rc1
All 8 release lines
  • From 9.11.0 before 9.11.16
  • From 10.5.0 before 10.5.6
  • From 10.6.0 before 10.6.6
  • From 10.7.0 before 10.7.3
  • Version 10.8.0-rc1
  • Version 10.8.0-rc2
  • Version 10.8.0-rc3
  • Version 10.8.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-4981
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-4981