CVE-2026-28485
Authentication Bypass in OpenClaw /agent/act Enables Privileged Access
Publication date: 2026-03-05
Last updated on: 2026-03-11
Assigner: VulnCheck
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| openclaw | openclaw | to 2026.1.5 (inc) |
| openclaw | openclaw | From 2026.2.9 (inc) to 2026.2.12 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-306 | The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in OpenClaw versions 2026.1.5 prior to 2026.2.12, where mandatory authentication is not enforced on the /agent/act browser-control HTTP route.
Because of this, unauthorized local callers can invoke privileged operations without authentication.
Remote attackers on the local network or local processes can send requests to these unauthenticated endpoints to execute arbitrary browser-context actions and access sensitive in-session data.
How can this vulnerability impact me? :
This vulnerability can allow attackers who have local network access or local process access to execute privileged operations without authorization.
Attackers can perform arbitrary actions within the browser context and access sensitive data from active sessions.
This could lead to unauthorized data exposure, manipulation of browser sessions, and potential compromise of system integrity.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know