CVE-2026-27566

OpenClaw < 2026.2.22 - Allowlist Bypass via Wrapper Binary Unwrapping in system.run

State: Published
Severity: 7.1 High
Published: Mar 19, 2026
Updated: Jun 23, 2026
Reserved: Feb 20, 2026

Description

OpenClaw versions prior to 2026.2.22 contain an allowlist bypass vulnerability in system.run exec analysis that fails to unwrap env and shell-dispatch wrapper chains. Attackers can route execution through wrapper binaries like env bash to smuggle payloads that satisfy allowlist entries while executing non-allowlisted commands.

Scores

CVSS	Score	Vector	Source
4.0	7.1 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N	VulnCheck
3.1	7.1 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L	VulnCheck

Weaknesses

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') (CWE-78)

Affected Products

Product	Versions
OpenClawOpenClaw	before 2026.2.22Affected

References

GitHub Security Advisory (GHSA-jj82-76v6-933r)vendor-advisory
Patch Commitpatch
VulnCheck Advisory: OpenClaw < 2026.2.22 - Allowlist Bypass via Wrapper Binary Unwrapping in system.runthird-party-advisory

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