CVE-2026-28458
High
Description
OpenClaw version 2026.1.20 prior to 2026.2.1 contains a vulnerability in the Browser Relay (extension must be installed and enabled) /cdp WebSocket endpoint in which it does not require authentication tokens, allowing websites to connect via loopback and access sensitive data. Attackers can exploit this by connecting to ws://127.0.0.1:18792/cdp to steal session cookies and execute JavaScript in other browser tabs.
SeverityHigh
CVSS8.1
Exploit probability—
ProductOpenclaw
PublishedMar 5, 2026
First seenMar 5, 2026
Weakness typeCWE-306Missing authentication for critical function
How to fix
Update
- openclaw openclaw2026.2.1 or later
- openclaw2026.2.1 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| openclaw openclaw | 2026.1.20 ≤ v < 2026.2.1 | 2026.2.1 |
| openclawnpm | 2026.1.20 ≤ v < 2026.2.1 | 2026.2.1 |
| moltbotnpm | v ≤ 0.1.0 | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.