CVE-2026-13350
Mattermost Room Creation Privilege Escalation
Description
Permissions where checked incorrectly during room creation, allowing attackers to create rooms of types they shouldn't be allowed to create.
INFO
Published Date :
June 25, 2026, 4:05 p.m.
Last Modified :
June 25, 2026, 4:05 p.m.
Remotely Exploit :
Yes !
Source :
rami.io
Affected Products
The following products are affected by CVE-2026-13350
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | LOW | 655498c3-6ec5-4f0b-aea6-853b334d05a6 | ||||
| CVSS 4.0 | LOW | 655498c3-6ec5-4f0b-aea6-853b334d05a6 |
Solution
- Validate user permissions before room creation.
- Enforce type restrictions on newly created rooms.
- Update authorization logic for room creation.
- Test room creation with different user roles.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-13350 vulnerability anywhere in the article.