CVE-2026-53821 — HIGH (8.8)

Q: How severe is CVE-2026-53821?

CVE-2026-53821 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-53821?

Check the references section above for vendor advisories and patch information. Affected products include: Openclaw Openclaw.

Vulnerability Description

OpenClaw before 2026.5.18 accepts WebSocket client-declared operator scopes before binding to server-approved pairing or trusted-proxy authorization baseline. Unpaired or restricted trusted-proxy Control UI clients can obtain cached operator.admin authority on live WebSocket connections to execute admin-gated Gateway RPCs.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Openclaw	Openclaw	< 2026.5.18

Related Weaknesses (CWE)

CWE-862

References

https://github.com/openclaw/openclaw/security/advisories/GHSA-qjpc-qf9m-xwmrMitigationVendor Advisory
https://www.vulncheck.com/advisories/openclaw-scope-elevation-in-trusted-proxy-cThird Party Advisory

FAQ

What is CVE-2026-53821?

CVE-2026-53821 is a vulnerability with a CVSS score of 8.8 (HIGH). OpenClaw before 2026.5.18 accepts WebSocket client-declared operator scopes before binding to server-approved pairing or trusted-proxy authorization baseline. Unpaired or restricted trusted-proxy Cont...

How severe is CVE-2026-53821?

CVE-2026-53821 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-53821?

Check the references section above for vendor advisories and patch information. Affected products include: Openclaw Openclaw.