Is CVE-2026-42434 actively exploited?

No active exploitation of CVE-2026-42434 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-42434 be exploited remotely?

Yes. CVE-2026-42434 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-42434?

CVE-2026-42434 has a CVSS score of 8.8 (HIGH).

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HIGH

CVE-2026-42434

CWE-863Published: May 5, 2026· Updated: May 5, 2026

8.8

CVSS v3.1

EPSS:0.05%probability of exploitation in 30 daysPercentile:15.5th

Official Description

OpenClaw versions 2026.4.5 before 2026.4.10 contain a sandbox escape vulnerability allowing sandboxed agents to override exec routing by specifying host=node. Attackers can bypass sandbox boundaries and route execution to remote nodes instead of intended sandbox paths.

NVD Source

Technical Analysis

CVE-2026-42434 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.