CVE-2026-42435

Description

## Summary Shell-wrapper detection missed env-argv assignment injection forms. ## Affected Packages / Versions - Package: `openclaw` - Ecosystem: npm - Affected versions: `>= 2026.2.22 < 2026.4.12` - Patched versions: `>= 2026.4.12` ## Impact Exec preflight handling missed shell-wrapper and argv-level environment assignment forms that could affect execution semantics, including high-risk shell environment controls. ## Technical Details The fix broadens shell-wrapper detection and blocks environment assignments in argv forms. High-risk shell variables such as `SHELLOPTS` and `PS4` are covered by the host environment security policy. ## Fix The issue was fixed in #65717. The first stable tag containing the fix is `v2026.4.12`, and `[email protected]` includes the fix. ## Fix Commit(s) - `8f8492d172f4c5b4fd7dd9a47855ed620c8770ab` - PR: #65717 ## Release Process Note Users should upgrade to `openclaw` 2026.4.12 or newer. The latest npm release, `2026.4.14`, already includes the fix. ## Credits Thanks to @decsecre583 for reporting this issue.

How to fix CVE-2026-42435

To remediate CVE-2026-42435, upgrade the affected package to a fixed version below.

—upgrade to 2026.4.12 or later

Is CVE-2026-42435 being exploited?

Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.

Affected packages (1)

>= 2026.2.22, < 2026.4.12

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 4.0	—	CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N