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CVE-2026-41399

7.5 · HIGH
Published Apr 28, 2026 openclaw CWE-770 EPSS 0.32% (24th pctl)

Overview

CVE-2026-41399 is a high-severity vulnerability affecting openclaw openclaw. It was published on April 28, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

OpenClaw before 2026.3.28 accepts unbounded concurrent unauthenticated WebSocket upgrades without pre-authentication budget allocation. Unauthenticated network attackers can exhaust socket and worker capacity to disrupt WebSocket availability for legitimate clients.

Remediation

Check the references section for vendor advisories and patches from openclaw. Update openclaw to the latest patched version. 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.

Affected Products

Vendor Product Versions Status
openclaw openclaw >= 0, < 2026.3.28 Affected

Frequently Asked Questions

What is CVE-2026-41399?

CVE-2026-41399 is a high-severity vulnerability affecting openclaw openclaw. It was published on April 28, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-41399?

This vulnerability has a CVSS 3.1 base score of 7.5, 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-2026-41399?

Check the references section for vendor advisories and patches from openclaw. Update openclaw to the latest patched version. 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-2026-41399?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-41399 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.