CVE-2026-74046 - Wazuh 4.4.0 4.14.7 DoS via fdecompress_files() Zip Bomb
Brief
CVE ID : CVE-2026-74046
Published : Aug. 18, 2026, 6:19 p. m.
- 48 minutes ago
Description : Wazuh 4.
- 0 before 4.
- 7 contains a denial of service vulnerability in the fdecompress_files() function within cluster. py that allows authenticated cluster peers to exhaust memory by supplying a malicious synchronization archive without decompressed size limits.
Attackers holding a valid cluster Fernet key can upload a small, highly compressed zip bomb archive that forces wazuh-clusterd on the master node to decompress the full payload into memory, causing memory exhaustion and service disruption.
Severity: 6.9
- MEDIUM
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