CVE-2026-93346: Wazuh 4.0.0 before 4.14.8 API Brute-Force Protection Bypass via Race Condition

Severity: medium (CVSS 5.3 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: 2026-10-13 · updated 2026-10-16
Weakness: CWE-307

Description

Wazuh from 4.0.0 before 4.14.8 contains a race condition in API login throttling that allows unauthenticated attackers to bypass max_login_attempts by sending concurrent requests. Attackers can fire concurrent login bursts to the authenticate and run_as endpoints, each passing the block check before failures are counted, enabling unlimited password guessing.

Affected products

wazuh: from 4.0.0 before 4.14.8 — fixed in 4.14.8

How to fix

Upgrade to a fixed version: wazuh 4.14.8. Check the vendor advisory for mitigations.

References

https://github.com/wazuh/wazuh/releases/tag/v4.14.8
https://github.com/wazuh/wazuh/security/advisories/GHSA-crrg-5qvw-8wjx
https://www.vulncheck.com/advisories/wazuh-4.0.0-before-4.14.8-api-brute-force-protection-bypass-via-race-condition
https://github.com/wazuh/wazuh/security/advisories/GHSA-crrg-5qvw-8wjx

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