CVE-2026-22217

OpenClaw 2026.2.22 < 2026.2.23 - Arbitrary Binary Execution via $SHELL Environment Variable Trusted Prefix Fallback

State: Published
Severity: 5.8 Medium
Published: Mar 18, 2026
Updated: Jun 23, 2026
Reserved: Jan 6, 2026

Description

OpenClaw version 2026.2.22 prior to 2026.2.23 contains an arbitrary code execution vulnerability in shell-env that allows attackers to execute attacker-controlled binaries by exploiting trusted-prefix fallback logic for the $SHELL variable. An attacker can influence the $SHELL environment variable on systems with writable trusted-prefix directories such as /opt/homebrew/bin to execute arbitrary binaries in the OpenClaw process context.

Scores

CVSS	Score	Vector	Source
4.0	5.8 Medium	CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N	VulnCheck
3.1	6.1 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L	VulnCheck

Weaknesses

CWE-829 Inclusion of Functionality from Untrusted Control Sphere

Affected Products

Product	Versions
OpenClawOpenClaw	2026.2.22 to before 2026.2.23Affected

References

GitHub Security Advisory (GHSA-p4wh-cr8m-gm6c)vendor-advisory
Patch Commitpatch
VulnCheck Advisory: OpenClaw 2026.2.22 < 2026.2.23 - Arbitrary Binary Execution via $SHELL Environment Variable Trusted Prefix Fallbackthird-party-advisory

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