What’s Vulnerable › Vulnerabilities
CVE-2024-39353: RemoteClusterFrame payloads are audit logged in full
- Severity: low (CVSS 2.7 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2024-07-03 · updated 2026-06-17
- Weakness: CWE-200
Description
Mattermost versions 9.5.x <= 9.5.5 and 9.8.0 fail to sanitize the RemoteClusterFrame payloads before audit logging them which allows a high privileged attacker with access to the audit logs to read message contents.
Affected products
- Mattermost App Framework: from 9.5.0 before 9.5.6; 9.8.0 — fixed in 9.5.6
How to fix
Upgrade to a fixed version: Mattermost App Framework 9.5.6. Check the vendor advisory for mitigations.
References
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