CVE-2026-74041 (CVSS 9.1)

Description

Wazuh 4.14.3 before 4.14.8 contains a case-sensitivity mismatch between the ossec.conf validator and wazuh-logcollector that bypasses remote-command validation. Authenticated users with manager:update_config can inject an uppercase LOG_FORMAT command localfile that the collector runs as root on reload.

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CVSS v3.1 Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0046

Probability of exploitation

0.40%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-178 CWE-178

References

Other References

https://github.com/wazuh/wazuh/releases/tag/v4.14.8 https://github.com/wazuh/wazuh/security/advisories/GHSA-cjf8-wjx6-hjw6 https://www.vulncheck.com/advisories/wazuh-4.14.3-before-4.14.8-remote-command-validation-bypass-via-case-mismatch https://github.com/wazuh/wazuh/security/advisories/GHSA-cjf8-wjx6-hjw6

Frequently Asked Questions

What is CVE-2026-74041? +

Wazuh 4.14.3 before 4.14.8 contains a case-sensitivity mismatch between the ossec.conf validator and wazuh-logcollector that bypasses remote-command validation. Authenticated users with manager:update_config can inject an uppercase LOG_FORMAT command localfile that the collector runs as root on reload. It has a CVSS v3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2026-74041? +

CVE-2026-74041 has a CVSS v3.1 score of 9.1 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0046, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-74041? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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