CVE-2026-42435

High

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.

SeverityHigh
CVSS8.8
Exploit probability—
ProductOpenclaw
PublishedMay 5, 2026
First seenMay 5, 2026
Weakness typeCWE-184CWE-184

How to fix

Affected products

ProductAffected versionsFixed in
openclawnpm2026.2.22 ≤ v < 2026.4.122026.4.12

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