CVE-2025-64641 — Mattermost Jira plugin crafted action leaks Jira issue details
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 th…
Published: 2025-12-24 · CVSS: 4.1 · CVSS 3.1
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
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7