Is CVE-2026-42435 actively exploited?

No active exploitation of CVE-2026-42435 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-42435 be exploited remotely?

Yes. CVE-2026-42435 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-42435?

CVE-2026-42435 has a CVSS score of 8.8 (HIGH).

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HIGH

CVE-2026-42435

CWE-184Published: May 5, 2026· Updated: May 5, 2026

8.8

CVSS v3.1

EPSS:0.10%probability of exploitation in 30 daysPercentile:26.3th

Official Description

OpenClaw versions from 2026.2.22 before 2026.4.12 contain an insufficient shell-wrapper detection vulnerability allowing attackers to inject environment variable assignments at the argv level. Attackers can bypass exec preflight handling to manipulate high-risk shell variables like SHELLOPTS and PS4, affecting execution semantics and security controls.

NVD Source

Technical Analysis

CVE-2026-42435 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.