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Status published
Low
CVE-2023-5876
Regex DoS from a malicious server enrolled in Desktop
Vulnerability Description
Mattermost fails to properly validate a RegExp built off the server URL path, allowing an attacker in control of an enrolled server to mount a Denial Of Service.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- DoyenSec
References
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Affected Vendor
Mattermost
View all reports →Affected Software
Mattermost Desktop
Vulnerable Versions:
0, 5.5.1
Timeline
Official Publish:
November 2nd, 2023
Last Modified:
September 5th, 2024
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L