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CVE-2025-64641
Good to know:
Date: December 24, 2025
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
Severity Score
Severity Score
Weakness Type (CWE)
Incorrect Authorization
CWE-863Top Fix
Upgrade Version
Upgrade to version github.com/mattermost/mattermost - v10.11.8;github.com/mattermost/mattermost - v10.12.4;github.com/mattermost/mattermost - v11.0.5;github.com/mattermost/mattermost - v11.1.1
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | LOW |
| User Interaction (UI): | REQUIRED |
| Scope (S): | CHANGED |
| Confidentiality (C): | LOW |
| Integrity (I): | NONE |
| Availability (A): | NONE |