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.
Published: 2026-10-13
Score: 6.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Bypass of API brute‑force protection
Action: Apply Patch
AI Analysis

Impact

The flaw is a race condition in the login throttling mechanism of the Wazuh API, allowing concurrent requests to bypass the max_login_attempts setting. This lets an unauthenticated attacker send parallel login bursts to the authenticate and run_as endpoints, receiving multiple successful authentication attempts before failures are logged. The result is an unlimited password‑guessing ability that can lead to credential compromise. The weakness maps to improper authorization safeguards.

Affected Systems

The vulnerability affects the Wazuh manager component and applies to all releases from version 4.0.0 up to, but not including, 4.14.8. Any environment running these versions exposes the API endpoints considered vulnerable. The flaw is tied to the Wazuh manager product only.

Risk and Exploitability

With a base score of 6.9 the flaw is moderate, and no EPSS score is available. The vulnerability is not listed in CISA KEV, implying no publicly known exploits so far. Attackers can exploit it remotely by contacting the exposed API endpoints and sending a burst of concurrent login requests. Because authentication is required for the run_as endpoint, the attack can only succeed if the attacker can brute‑force credentials, which without the protection could become trivial.

Generated by OpenCVE AI on October 13, 2026 at 15:28 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Upgrade to version 4.14.8 or later to apply the race‑condition fix
  • Restrict external access to the Wazuh API by limiting allowed IP ranges or using a firewall
  • Disable or protect the run_as endpoint if not required for your workflow
  • Enable or manually enforce stricter login rate limiting and monitor for repeated login attempts

Generated by OpenCVE AI on October 13, 2026 at 15:28 UTC.

Tracking

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Advisories

No advisories yet.

History

Sat, 17 Oct 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 13 Oct 2026 15:45:00 +0000

Type Values Removed Values Added
First Time appeared Wazuh wazuh-manager
Vendors & Products Wazuh wazuh-manager

Tue, 13 Oct 2026 13:45:00 +0000

Type Values Removed Values Added
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.
Title Wazuh 4.0.0 before 4.14.8 API Brute-Force Protection Bypass via Race Condition
First Time appeared Wazuh
Wazuh wazuh
Weaknesses CWE-307
CPEs cpe:2.3:a:wazuh:wazuh:*:*:*:*:*:*:*:*
Vendors & Products Wazuh
Wazuh wazuh
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}


Subscriptions

Wazuh Wazuh Wazuh-manager
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-26T14:15:50.837Z

Reserved: 2026-09-17T18:41:40.757Z

Link: CVE-2026-93346

cve-icon Vulnrichment

Updated: 2026-10-16T21:54:45.509Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-13T14:17:44.723

Modified: 2026-10-16T22:18:51.893

Link: CVE-2026-93346

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-13T15:30:08Z

Weaknesses
  • CWE-307

    Improper Restriction of Excessive Authentication Attempts