Externally Controlled Reference to a Resource in Another Sphere in OpenClaw - #VU127178
Published: April 23, 2026
Vulnerability identifier: #VU127178
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-610
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 redirect runtime traffic to an unintended endpoint.
The vulnerability exists due to externally controlled reference to a resource in another sphere in connector endpoint host configuration when loading workspace dotenv files. A remote user can set connector endpoint variables in a workspace .env file to redirect runtime traffic to an unintended endpoint.
The issue affects Matrix, Mattermost, IRC, and Synology-related connectors, including per-account Matrix homeserver suffixes and generic base-url or API-host style overrides.
Remediation
Install security update from vendor's website.