CVE-2025-24526: Mattermost fails to restrict channel export of archived channels
Mattermost versions 10.1.x <= 10.1.3, 10.4.x <= 10.4.1, 9.11.x <= 9.11.7, 10.3.x <= 10.3.2, 10.2.x <= 10.2.2 fail to restrict channel export of archived channels when the “Allow users to view archived channels” is disabled which allows a user to export channel contents when they shouldn’t have access to it
References
- github.com/advisories/GHSA-q8p2-2hwc-jw64
- github.com/mattermost/mattermost
- github.com/mattermost/mattermost-plugin-channel-export/commit/3c052b66207fb734bfc4c948941e7f7522a82550
- github.com/mattermost/mattermost-plugin-channel-export/issues/51
- github.com/mattermost/mattermost/commit/96195f1bd7467f572525c35b5087acaeb53daa63
- mattermost.com/security-updates
- nvd.nist.gov/vuln/detail/CVE-2025-24526
Code Behaviors & Features
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