CVE-2026-53821
CVE-2026-53821
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 operat…
Vulnerability class: Broken Access Control
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-53821?
- CVE-2026-53821 is a high-severity vulnerability, classified under Missing Authorization. CVSS score: 8.8/10. Published 2026-06-12.
- How severe is CVE-2026-53821?
- High severity. CVSS v3 base score is 8.8 out of 10.