UpHeron
All vulnerabilities

Servers and applications

CVE-2025-6233

Mattermost versions 10.8.x <= 10.8.1, 10.7.x <= 10.7.3, 10.5.x <= 10.5.7, 9.11.x <= 9.11.16 fail to sanitize input paths of file attachments in the bulk import JSONL file, which allows a system admin to read arbitrary system files via path traversal.

Severity
Medium 4.9
Published
18 Jul 2025
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
9.11.17, 10.5.8, 10.7.4, 10.8.2
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 10.5.8
  • From 10.7.0 before 10.7.4
  • From 10.8.0 before 10.8.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-6233
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-6233