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CVE-2026-42438

7.7 · HIGH
Published May 5, 2026 openclaw CWE-863 EPSS 0.24% (15th pctl)

Overview

CVE-2026-42438 is a high-severity vulnerability affecting openclaw openclaw. It was published on May 5, 2026 and has a CVSS 3.1 base score of 7.7 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.7, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical Description

OpenClaw versions 2026.4.9 before 2026.4.10 contain a sender policy bypass vulnerability in the outbound host-media attachment read helper that allows unauthorized local file disclosure. Attackers with denied read access via toolsBySender or group policy can trigger host-media attachment loading to bypass sender and group-scoped authorization boundaries and retrieve readable local files through the outbound media path.

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

Frequently Asked Questions

What is CVE-2026-42438?

CVE-2026-42438 is a high-severity vulnerability affecting openclaw openclaw. It was published on May 5, 2026 and has a CVSS 3.1 base score of 7.7 (HIGH).

How severe is CVE-2026-42438?

This vulnerability has a CVSS 3.1 base score of 7.7, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-42438?

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-2026-42438?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-42438 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.