What’s Vulnerable › Vulnerabilities
CVE-2024-22091: Excessive resource consumption due to lack to request path size limits
- Severity: medium (CVSS 6.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2024-04-26 · updated 2026-06-17
- Weakness: CWE-400
Description
Mattermost versions 8.1.x <= 8.1.10, 9.6.x <= 9.6.0, 9.5.x <= 9.5.2 and 8.1.x <= 8.1.11 fail to limit the size of a request path that includes user inputs which allows an attacker to cause excessive resource consumption, possibly leading to a DoS via sending large request paths
Affected products
- Mattermost: from 8.1.0 before 8.1.12; from 9.5.0 before 9.5.3; from 9.6.0 before 9.6.1 — fixed in 8.1.12, 9.5.3, 9.6.1
How to fix
Upgrade to a fixed version: Mattermost 8.1.12, 9.5.3, 9.6.1. Check the vendor advisory for mitigations.
References
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