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Advisories

OpenClaw < 2026.2.22 - Allowlist Bypass via Shell Line-Continuation Command Substitution in system.run

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severity
medium
date
Affecting

  • OpenClaw < 2026.2.22

CWE
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') (CWE-78)
CVSS
6
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N
Credit
tdjackey
Description
OpenClaw versions prior to 2026.2.22 contain an allowlist bypass vulnerability in system.run that allows attackers to execute non-allowlisted commands by splitting command substitution using shell line-continuation characters. Attackers can bypass security analysis by injecting $\\ followed by a newline and opening parenthesis inside double quotes, causing the shell to fold the line continuation into executable command substitution that circumvents approval boundaries.

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