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CVE-2026-61811

6.5 · MEDIUM

Wazuh is an open-source security platform providing unified XDR and SIEM protection for endpoints and cloud workloads.

Published Sep 24, 2026CWE-674EPSS 0.37%

Overview

CVE-2026-61811 is a medium-severity vulnerability. It was published on September 24, 2026 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Wazuh is an open-source security platform providing unified XDR and SIEM protection for endpoints and cloud workloads. From 3.8.0 until 4.14.7, the _getattributes() function in src/os_xml/os_xml.c recursively processes every XML attribute without a depth limit while allocating two large local buffers in each stack frame. An enrolled agent can submit a Windows EventChannel event containing an element with enough attributes to exhaust the analysisd worker-thread stack, trigger a segmentation fault, and interrupt log ingestion. The element-depth limit in _ReadElem() does not constrain the number of attributes on one element, so it does not prevent this condition. This issue is fixed in version 4.14.7.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/wazuh/wazuh/commit/2ac70941c5980a5dd24ad8a0f2be559f840e6a67GitHubgithub.com/wazuh/wazuh/pull/37147GitHubgithub.com/wazuh/wazuh/releases/tag/v4.14.7GitHubgithub.com/wazuh/wazuh/security/advisories/GHSA-9wv5-7qwx-m9w5GitHubgithub.com/wazuh/wazuh/security/advisories/GHSA-9wv5-7qwx-m9w5

How CyberStrike helps

Frequently asked questions

What is CVE-2026-61811?

CVE-2026-61811 is a medium-severity vulnerability. It was published on September 24, 2026 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2026-61811?

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-61811?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-61811?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-61811 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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