What’s Vulnerable › Vulnerabilities
CVE-2024-28949: DoS via a large number of User Preferences
- Severity: medium (CVSS 6.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.6% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2024-04-05 · updated 2026-06-17
- Weakness: CWE-400
Description
Mattermost Server versions 9.5.x before 9.5.2, 9.4.x before 9.4.4, 9.3.x before 9.3.3, 8.1.x before 8.1.11 don't limit the number of user preferences which allows an attacker to send a large number of user preferences potentially causing denial of service.
Affected products
- Mattermost: from 8.1.0 before 8.1.11; from 9.3.0 before 9.3.3; from 9.4.0 before 9.4.4; from 9.5.0 before 9.5.2 — fixed in 8.1.11, 9.3.3, 9.4.4, 9.5.2
How to fix
Upgrade to a fixed version: Mattermost 8.1.11, 9.3.3, 9.4.4, 9.5.2. Check the vendor advisory for mitigations.
References
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