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CVE-2026-3109

🗓️ 27 Mar 2026 17:09:51Reported by redhat.comType 
redhatcve
 redhatcve
🔗 access.redhat.com👁 2 Views

CVE-2026-3109: Mattermost plugins <=11.4 10.11.11.0 fail to validate webhook timestamps, enabling replay attacks that corrupt Zoom meeting state.

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27 Mar 2026 17:09Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.12.2
EPSS0.00304
SSVC
2