Low severity2.7NVD Advisory· Published Apr 26, 2024· Updated Jun 17, 2026
CVE-2024-4198
CVE-2024-4198
Description
Mattermost versions 9.6.0, 9.5.x before 9.5.3, and 8.1.x before 8.1.12 fail to fully validate role changes which allows an attacker authenticated as team admin to demote users to guest via crafted HTTP requests.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/mattermost/mattermost-serverGo | >= 9.6.0-rc1, < 9.6.1 | 9.6.1 |
github.com/mattermost/mattermost-serverGo | >= 9.5.0, < 9.5.3 | 9.5.3 |
github.com/mattermost/mattermost-serverGo | >= 8.1.0, < 8.1.12 | 8.1.12 |
Affected products
7cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*+ 5 more
- cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*range: >=8.1.0,<8.1.12
- cpe:2.3:a:mattermost:mattermost_server:9.6.0:-:*:*:*:*:*:*
- cpe:2.3:a:mattermost:mattermost_server:9.6.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:mattermost:mattermost_server:9.6.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:mattermost:mattermost_server:9.6.0:rc3:*:*:*:*:*:*
- (no CPE)range: 9.6.0
Patches
Vulnerability mechanics
References
6- github.com/advisories/GHSA-5qx9-9ffj-5r8fghsaADVISORY
- mattermost.com/security-updatesnvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2024-4198ghsaADVISORY
- github.com/mattermost/mattermost/commit/3d6d8a7c1f7105558fe266a1b379859a4dba4e9bghsaWEB
- github.com/mattermost/mattermost/commit/408ce4a82bb55ce27801f7044d9b3b49e82c47edghsaWEB
- github.com/mattermost/mattermost/commit/fba5b8e348feada9b21290369c3598ccd5c04424ghsaWEB
News mentions
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