CVE-2026-42435

HIGH

OpenClaw 2026.2.22 < 2026.4.12 - Shell-Wrapper Detection Bypass via Environment Variable Assignment Injection

Title source: cna
STIX 2.1

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.

References (3)

Core 3
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-j6c7-3h5x-99g9)
https://github.com/openclaw/openclaw/security/advisories/GHSA-j6c7-3h5x-99g9
Third Party Advisory third-party-advisory
VulnCheck Advisory: OpenClaw 2026.2.22 < 2026.4.12 - Shell-Wrapper Detection Bypass via Environment Variable Assignment Injection
https://www.vulncheck.com/advisories/openclaw-shell-wrapper-detection-bypass-via-environment-variable-assignment-injection

Scores

CVSS v3 8.8
EPSS 0.0010
EPSS Percentile 26.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-184
Status published
Products (3)
npm/openclaw 2026.2.22 - 2026.4.12npm
OpenClaw/OpenClaw 2026.2.22 - 2026.4.12
OpenClaw/OpenClaw 2026.4.12
Published May 05, 2026
Tracked Since May 05, 2026