CVE-2026-53855

High

Description

OpenClaw before 2026.4.2 contains an inline-eval bypass vulnerability allowing authenticated operators to weaken strict allowlist checks via shell positional parameters. Attackers can combine allowlisted tools with shell positional arguments to place inline-eval content in shell carriers outside intended allowlist rules, enabling execution of unapproved shell-provided content.

SeverityHigh
CVSS8.1
Exploit probability—
ProductOpenclaw
PublishedJun 16, 2026
First seenJun 16, 2026

How to fix

Update
  • openclaw openclaw2026.4.2 or later
  • openclaw2026.4.2 or later

Affected products

ProductAffected versionsFixed in
openclaw openclawv < 2026.4.22026.4.2
openclawnpmv < 2026.4.22026.4.2

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.