All vulnerabilities

Servers and applications

CVE-2025-9084

Mattermost versions 10.5.x <= 10.5.9 fail to properly validate redirect URLs which allows attackers to redirect users to malicious sites via crafted OAuth login URLs

Severity
Medium 6.1
Published
15 Sept 2025
Last changed
19 Oct 2026
Added to UpHeron
1 Nov 2026
Fixed in
10.5.10
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost_server
  • From 10.5.0 before 10.5.10

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-9084
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-9084