CVE-2026-34425 OpenClaw - Shell-Bleed Protection Preflight Validation Bypass

Medium 5.3 Published 2 Apr 2026 Updated 3 Apr 2026

Attackers can bypass shell-bleed protection in OpenClaw to execute arbitrary scripts via complex command forms, requiring a patch to restore security controls.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2026-34425?

CVE-2026-34425 is a medium-severity vulnerability in Openclaw Openclaw, published on 2 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

OpenClaw versions prior to commit 8aceaf5 contain a preflight validation bypass vulnerability in shell-bleed protection that allows attackers to execute blocked script content by using piped or complex command forms that the parser fails to recognize. Attackers can craft commands such as piped execution, command substitution, or subshell invocation to bypass the validateScriptFileForShellBleed() validation checks and execute arbitrary script content that would otherwise be blocked.

Weakness: CWE-184

Which versions are affected by CVE-2026-34425?

2 open source packages ship an affected version, including openclaw. It affects 1 product.

Package	Affected	Fixed in
`openclaw` npm	All versions	`2026.4.2`
`openclaw` npm	All versions	`2026.4.2`

Products include Openclaw Openclaw.

How do I fix CVE-2026-34425?

Upgrade openclaw to 2026.4.2 or later.

Is CVE-2026-34425 being exploited?

There is no known exploitation of CVE-2026-34425 in the wild and no public exploit code.

All Openclaw Openclaw vulnerabilities

Sources

Also known as GHSA-fvx6-pj3r-5q4q, MINI-7xc8-hfhj-9ggm.