Security Advisory

CVE-2025-64641

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-12-24 08:02:55

Last updated 2025-12-24 16:35:17

Assigner Mattermost

State PUBLISHED

Description

Mattermost versions 11.1.x <= 11.1.0, 11.0.x <= 11.0.5, 10.12.x <= 10.12.3, 10.11.x <= 10.11.7 fail to verify that post actions invoking /share-issue-publicly were created by the Jira plugin which allowed a malicious Mattermost user to exfiltrate Jira tickets when victim users interacted with affected posts

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