VULNERABILITY INTELLIGENCE
CVE-2024-4182
CVSS score4.3 MEDIUM
EPSS probability0.55%
CISA KEVNot currently listed
Published2024-04-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Description
Mattermost versions 9.6.0, 9.5.x before 9.5.3, 9.4.x before 9.4.5, and 8.1.x before 8.1.12 fail to handle JSON parsing errors in custom status values, which allows an authenticated attacker to crash other users' web clients via a malformed custom status.
Weakness classification
- CWE-754: Improper Check for Unusual or Exceptional Conditions
Primary references
- responsibledisclosure@mattermost.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory