What’s Vulnerable › Vulnerabilities
CVE-2024-1942
- Severity: medium (CVSS 4.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2024-02-29 · updated 2026-06-17
- Weakness: CWE-284
Description
Mattermost versions 8.1.x before 8.1.9, 9.2.x before 9.2.5, and 9.3.0 fail to sanitize the metadata on posts containing permalinks under specific conditions, which allows an authenticated attacker to access the contents of individual posts in channels they are not a member of.
Affected products
- Mattermost: from 8.1.0 before 8.1.9; from 9.2.0 before 9.2.5; 9.3.0 — fixed in 8.1.9, 9.2.5
How to fix
Upgrade to a fixed version: Mattermost 8.1.9, 9.2.5. Check the vendor advisory for mitigations.
References
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