Missing Authentication for Critical Function in OpenClaw - CVE-2026-28485
Published: May 4, 2026
Vulnerability identifier: #VU129449
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-28485
CWE-ID: CWE-306
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: OpenClaw
Affected software:
OpenClaw
OpenClaw
Detailed vulnerability description
The vulnerability allows a remote attacker to access sensitive in-session data and perform privileged browser actions.
The vulnerability exists due to improper access control in the local browser-control HTTP route /agent/act and related browser-control handlers when handling local browser-control HTTP requests without configured authentication. A remote attacker can send a specially crafted request to access sensitive in-session data and perform privileged browser actions.
Exposure is primarily related to loopback-bound local-process and local-proxy boundaries in configurations where authentication is not configured.
How to mitigate CVE-2026-28485
Install security update from vendor's website.