CVE-2025-64641
Last modified
CVE-2025-64641 is a medium-severity vulnerability rated 4.1/10 on the CVSS scale. 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. EPSS estimates a 0.15% chance of exploitation in the next 30 days.
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
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost Server | >= 10.11.0, < 10.11.8 |
| Mattermost | Mattermost Server | >= 10.12.0, < 10.12.4 |
| Mattermost | Mattermost Server | >= 11.0.0, < 11.0.6 |
| Mattermost | Mattermost Server | >= 11.1.0, < 11.1.1 |
References
- https://mattermost.com/security-updatesVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-64641?
How severe is CVE-2025-64641?
How do I fix CVE-2025-64641?
Are you affected by CVE-2025-64641?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST