Path traversal in OpenClaw - CVE-2026-27522
Published: May 1, 2026
Vulnerability identifier: #VU128776
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-27522
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: OpenClaw
Affected software:
OpenClaw
OpenClaw
Detailed vulnerability description
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to path traversal in sendAttachment and setGroupIcon message actions when hydrating media from local absolute paths with sandboxRoot unset. A remote user can trigger an authorized message-action path to disclose sensitive information.
Only deployments with sandboxRoot unset are vulnerable.
How to mitigate CVE-2026-27522
Install security update from vendor's website.