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cve/2025/CVE-2025-9076.md
0xMarcio cb00e1339f Update CVE list 2025-09-29 21:09
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CVE-2025-9076

Description

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.

POC

Reference

Github