CVE-2026-42435CWE-184

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

High · published May 5, 2026

CVSS v4.0
8.7
EPSS
1%
Percentile
54.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00736 · 54.0th percentile
Weakness
CWE-184 · Incomplete List of Disallowed Inputs
Published
2026-05-05T11:24Z
EPSS history
Timeline
  • 05 MAY 11:24Z
    OpenClaw 2026.2.22 < 2026.4.12 - Shell-Wrapper Detection Bypass via Environment Variable Assignment Injection
    cvelistv5