CVE-2025-27933
Last modified
CVE-2025-27933 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Mattermost versions 10.4.x <= 10.4.2, 10.3.x <= 10.3.3, 9.11.x <= 9.11.8 fail to fail to enforce channel conversion restrictions, which allows members with permission to convert public channels to private ones to also convert private ones to public. EPSS estimates a 0.19% chance of exploitation in the next 30 days.
Description
Mattermost versions 10.4.x <= 10.4.2, 10.3.x <= 10.3.3, 9.11.x <= 9.11.8 fail to fail to enforce channel conversion restrictions, which allows members with permission to convert public channels to private ones to also convert private ones to public
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost Server | >= 9.11.0, < 9.11.9 |
| Mattermost | Mattermost Server | >= 10.3.0, < 10.3.4 |
| Mattermost | Mattermost Server | >= 10.4.0, < 10.4.3 |
References
- https://mattermost.com/security-updatesVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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