CVE-2026-53821 HIGH

CVE-2026-53821: OpenClaw < 2026.5.18 - Scope Elevation in trusted-proxy Control UI WebSocket

Vendor Openclaw

Product OpenClaw

Weakness CWE-862 · Missing authorization

Published June 12, 2026

Last update June 15, 2026

View on NVD All CVEs

CVSS base score

8.7/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction None

Confidentiality —

Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 12, 2026 CVE published

June 15, 2026 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-53821 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/862.html

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04Related CVE

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