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` could break out of the script tag ","url":"https://cyberstrike.io/cve/CVE-2026-27009/","datePublished":"2026-02-20T00:16:17.620","dateModified":"2026-06-17T10:26:31.890","publisher":{"@id":"https://cyberstrike.io/#organization"},"isPartOf":{"@id":"https://cyberstrike.io/#website"},"about":{"@type":"SoftwareSourceCode","name":"CVE-2026-27009"},"keywords":["CVE-2026-27009","medium","CVSS 5.8","CWE-79"]},{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://cyberstrike.io"},{"@type":"ListItem","position":2,"name":"CVE Database","item":"https://cyberstrike.io/cve/"},{"@type":"ListItem","position":3,"name":"2026","item":"https://cyberstrike.io/cve/year/2026/"},{"@type":"ListItem","position":4,"name":"CVE-2026-27009","item":"https://cyberstrike.io/cve/CVE-2026-27009/"}]},{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"What is CVE-2026-27009?","acceptedAnswer":{"@type":"Answer","text":"CVE-2026-27009 is a medium-severity vulnerability. It was published on February 20, 2026 and has a CVSS 3.1 base score of 5.8 (MEDIUM)."}},{"@type":"Question","name":"How severe is CVE-2026-27009?","acceptedAnswer":{"@type":"Answer","text":"This vulnerability has a CVSS 3.1 base score of 5.8, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation."}},{"@type":"Question","name":"How do I fix or remediate CVE-2026-27009?","acceptedAnswer":{"@type":"Answer","text":"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."}},{"@type":"Question","name":"How can CyberStrike help with CVE-2026-27009?","acceptedAnswer":{"@type":"Answer","text":"CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-27009 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."}}]}]}

CVE-2026-27009

5.8 · MEDIUM

OpenClaw is a personal AI assistant.

Published Feb 20, 2026CWE-79EPSS 0.26%

Overview

CVE-2026-27009 is a medium-severity vulnerability. It was published on February 20, 2026 and has a CVSS 3.1 base score of 5.8 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.8, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

OpenClaw is a personal AI assistant. Prior to version 2026.2.15, a atored XSS issue in the OpenClaw Control UI when rendering assistant identity (name/avatar) into an inline `<script>` tag without script-context-safe escaping. A crafted value containing `</script>` could break out of the script tag and execute attacker-controlled JavaScript in the Control UI origin. Version 2026.2.15 removed inline script injection and serve bootstrap config from a JSON endpoint and added a restrictive Content Security Policy for the Control UI (`script-src 'self'`, no inline scripts).

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/openclaw/openclaw/commit/3b4096e02e7e335f99f5986ec1bd566e90b14a7eGitHubgithub.com/openclaw/openclaw/commit/adc818db4a4b3b8d663e7674ef20436947514e1bGitHubgithub.com/openclaw/openclaw/releases/tag/v2026.2.15GitHubgithub.com/openclaw/openclaw/security/advisories/GHSA-37gc-85xm-2ww6

How CyberStrike helps

Frequently asked questions

What is CVE-2026-27009?

CVE-2026-27009 is a medium-severity vulnerability. It was published on February 20, 2026 and has a CVSS 3.1 base score of 5.8 (MEDIUM).

How severe is CVE-2026-27009?

This vulnerability has a CVSS 3.1 base score of 5.8, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-27009?

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-2026-27009?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-27009 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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