What is CVE-2026-53814?

CVE-2026-53814 is a high-severity vulnerability in Openclaw, classified under Incorrect Privilege Assignment. CVSS score: 8.3/10. Published 2026-06-11.

How severe is CVE-2026-53814?

High severity. CVSS v3 base score is 8.3 out of 10.

Privilege escalation in Openclaw

CVE-2026-53814

OpenClaw before 2026.5.20 contains a privilege escalation vulnerability where hook-triggered agent runs incorrectly receive owner-scoped MCP loopback authority instead of hook-appropriate scope. Attackers with a valid hook token can exploi…

EPSS: 0.003 (20.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L.

Affected products

Openclaw — versions 2026.5.20, 0

Weakness classification (CWE)

CWE-266 — Incorrect Privilege Assignment

References

disclosure@vulncheck.com (vendor-advisory, Mitigation, patch, Vendor Advisory)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-53814?: CVE-2026-53814 is a high-severity vulnerability in Openclaw, classified under Incorrect Privilege Assignment. CVSS score: 8.3/10. Published 2026-06-11.
How severe is CVE-2026-53814?: High severity. CVSS v3 base score is 8.3 out of 10.