Time-of-check Time-of-use (TOCTOU) Race Condition in OpenClaw - #VU125109

 

Time-of-check Time-of-use (TOCTOU) Race Condition in OpenClaw - #VU125109

Published: April 8, 2026


Vulnerability identifier: #VU125109
CSH Severity: Low
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-367
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to time-of-check time-of-use race condition in sandbox media handling when processing media attachment and image paths. A remote attacker can retarget a symlink between path validation and file read to disclose sensitive information.

The issue can cause file reads outside sandboxRoot.


Affected software

OpenClaw

Remediation

Install security update from vendor's website.

OpenClaw - update to 2026.3.1

External References

Related Security Bulletins