Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
Lifecycle Timeline
4DescriptionCVE.org
OpenClaw versions prior to 2026.2.23 contain an allowlist bypass vulnerability in system.run guardrails that allows authenticated operators to execute unintended commands. When /usr/bin/env is allowlisted, attackers can use env -S to bypass policy analysis and execute shell wrapper payloads at runtime.
AnalysisAI
OpenClaw contains an allowlist bypass vulnerability in system.run guardrails that enables authenticated operators to execute arbitrary commands by exploiting the env -S flag when /usr/bin/env is allowlisted. The vulnerability affects all OpenClaw versions prior to 2026.2.23, allowing attackers with low-level privileges to bypass policy controls and execute shell wrapper payloads at runtime. No KEV status or public POC has been reported, though vendor patches are available.
Technical ContextAI
This vulnerability exploits CWE-184 (Incomplete List of Disallowed Inputs) in OpenClaw's command execution guardrails. The affected product is OpenClaw (cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:*:*:*), which implements allowlist-based command execution controls. When administrators allowlist /usr/bin/env as a permitted command, attackers can abuse the env utility's -S flag to inject additional commands and shell options that bypass the intended policy analysis. The -S flag allows splitting a single string into multiple arguments at runtime, effectively circumventing the pre-execution security checks that only evaluate the initial command invocation. This represents a classic allowlist evasion pattern where a trusted utility's legitimate features are weaponized to execute unintended payloads.
RemediationAI
Upgrade OpenClaw to version 2026.2.23 or later, which includes patches available in GitHub commits https://github.com/openclaw/openclaw/commit/a1c4bf07c6baad3ef87a0e710fe9aef127b1f606 and https://github.com/openclaw/openclaw/commit/3f923e831364d83d0f23499ee49961de334cf58b. Organizations should review their system.run allowlist configurations and remove /usr/bin/env unless absolutely required, or implement additional validation to block the -S flag and other potentially dangerous env options. As an interim control, restrict operator authentication to highly trusted accounts only and implement comprehensive command execution logging to detect potential exploitation attempts. Consult the vendor security advisory at https://github.com/openclaw/openclaw/security/advisories/GHSA-48wf-g7cp-gr3m for complete remediation guidance.
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Same weakness CWE-184 – Incomplete List of Disallowed Inputs
View allSame technique Authentication Bypass
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-13023
GHSA-48wf-g7cp-gr3m