A AegiFlow
MEDIUMCVSS 6.5

CVE-2025-9076

CVE-2025-9076 updated by NVD

Modified
2026-10-21
Sources
nvd

Summary

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

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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