UpHeron
All vulnerabilities

Servers and applications

CVE-2025-58075

Mattermost versions 10.11.x <= 10.11.1, 10.10.x <= 10.10.2, 10.5.x <= 10.5.10 fail to verify a user has permission to join a Mattermost team using the original invite token which allows any attacked to join any team on a Mattermost server regardless of restrictions via manipulating the RelayState

Severity
High 8.1
Published
16 Oct 2025
Last changed
19 Oct 2026
Added to UpHeron
1 Nov 2026
Fixed in
10.5.11, 10.10.3, 10.11.3
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost_server
  • From 10.5.0 before 10.5.11
  • From 10.10.0 before 10.10.3
  • From 10.11.0 before 10.11.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-58075
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-58075