CVE-2025-9076

Source
https://nvd.nist.gov/vuln/detail/CVE-2025-9076
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-9076.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-9076
Aliases
Downstream
Related
Published
2025-09-15T10:15:32Z
Modified
2025-09-24T12:44:42.996624Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

Mattermost versions 10.10.x <= 10.10.1 fail to properly sanitize user data during shared channel membership synchronization, which allows malicious or compromised remote clusters to access sensitive user information via unsanitized user objects. This vulnerability affects Mattermost Server instances with shared channels enabled.

References

Affected packages

Git / github.com/mattermost/mattermost-server

Affected ranges

Type
GIT
Repo
https://github.com/mattermost/mattermost-server
Events

Affected versions

v10.*

v10.10.0
v10.10.1
v10.10.1-rc1
v10.10.2-rc1
v10.10.2-rc2
v10.10.2-rc3
v10.10.2-rc4