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CVE-2026-27209
Published:October 12, 2026
Updated:October 12, 2026
OpenClaw's shell allowlist analyzer allowed unquoted heredoc bodies to bypass token checks. In unquoted heredocs, the shell evaluates expansion tokens such as "$(...)", "${...}", and backticks, which could execute unexpected commands while still passing allowlist analysis.
Affected Packages
openclaw (NPM):
Affected version(s) >=0.0.1 <2026.2.21
Fix Suggestion:
Update to version 2026.2.21
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CVSS v4
Base Score:
7.7
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
PRESENT
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Permissive List of Allowed Inputs
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Improper Encoding or Escaping of Output