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CVE-2026-27488

7.3 · HIGH

OpenClaw is a personal AI assistant.

Published Feb 21, 2026CWE-918EPSS 0.45%

Overview

CVE-2026-27488 is a high-severity vulnerability. It was published on February 21, 2026 and has a CVSS 3.1 base score of 7.3 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

OpenClaw is a personal AI assistant. In versions 2026.2.17 and below, Cron webhook delivery in src/gateway/server-cron.ts uses fetch() directly, so webhook targets can reach private/metadata/internal endpoints without SSRF policy checks. This issue was fixed in version 2026.2.19.

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/99db4d13e5c139883ef0def9ff963e9273179655GitHubgithub.com/openclaw/openclaw/releases/tag/v2026.2.19GitHubgithub.com/openclaw/openclaw/security/advisories/GHSA-w45g-5746-x9fp

How CyberStrike helps

Frequently asked questions

What is CVE-2026-27488?

CVE-2026-27488 is a high-severity vulnerability. It was published on February 21, 2026 and has a CVSS 3.1 base score of 7.3 (HIGH).

How severe is CVE-2026-27488?

This vulnerability has a CVSS 3.1 base score of 7.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-27488?

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-2026-27488?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-27488 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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