Severity by source
AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
6DescriptionCVE.org
OpenClaw before 2026.3.1 contains an approval bypass vulnerability in system.run where non-path-like argv[0] tokens fail to bind executable identity, allowing post-approval executable rebind. Attackers can modify PATH resolution after approval to execute a different binary than the operator approved.
AnalysisAI
OpenClaw versions prior to 2026.3.1 contain an approval bypass vulnerability in the system.run function that allows attackers to execute a different binary than the one approved by an operator. The vulnerability stems from non-path-like argv[0] tokens failing to bind to executable identity, enabling post-approval PATH manipulation to redirect execution to attacker-controlled binaries. With a CVSS score of 7.3 and requiring local access with low privileges and user interaction, this represents a significant privilege escalation and integrity bypass risk in environments using OpenClaw's execution approval mechanisms.
Technical ContextAI
The affected product is OpenClaw (cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:*:*:*), a software application with a system.run approval mechanism intended to control executable invocation. This vulnerability is classified as CWE-426 (Untrusted Search Path), where the root cause lies in the failure to properly bind executable identity when argv[0] contains non-path-like tokens (such as bare command names without directory components). When system.run approves an execution based on argv[0] that lacks path information, it relies on PATH environment variable resolution to locate the actual binary. Because the executable identity is not bound at approval time, an attacker can manipulate the PATH variable after approval but before execution, causing a different binary with the same name to be invoked instead of the approved one. This breaks the security guarantee of the approval mechanism, as the approved token becomes a reference to whatever executable happens to be found first in the modified PATH.
RemediationAI
Upgrade OpenClaw to version 2026.3.1 or later, which addresses the approval bypass vulnerability by properly binding executable identity regardless of argv[0] format. The patch details and upgrade instructions are available in the GitHub security advisory at https://github.com/openclaw/openclaw/security/advisories/GHSA-q399-23r3-hfx4. Until patching is completed, organizations should implement compensating controls including requiring all system.run approvals to use absolute paths rather than bare command names, restricting write access to directories in the PATH environment variable for users who can trigger approval requests, and auditing all system.run invocations to detect PATH manipulation attempts. In high-security environments, consider temporarily disabling system.run functionality or requiring additional verification that the resolved executable matches the intended approved binary before execution proceeds.
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Same weakness CWE-426 – Untrusted Search Path
View allSame technique Authentication Bypass
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-14593
GHSA-cp5x-5627-vxqx