CVE-2026-53855: Openclaw

High severity, CVSS 8.1. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Affected products

• Openclaw Openclaw: before 2026.4.2 (fixed in 2026.4.2)

Published 2026-06-16. Last modified 2026-06-18.