What is CVE-2026-53809?

CVE-2026-53809 is a low-severity vulnerability in Openclaw, classified under Incorrect Authorization. CVSS score: 3.8/10. Published 2026-06-11.

How severe is CVE-2026-53809?

Low severity. CVSS v3 base score is 3.8 out of 10.

Auth bypass in Openclaw

CVE-2026-53809

OpenClaw before 2026.4.25 contains a policy bypass vulnerability in embedded runner policy that allows requests using provider aliases to compare against aliases instead of canonical provider identities. Attackers can exploit this confusion to select bundled tool access outside intended provider policy restrictions when the affected feature is enabled.

Vulnerability class: Broken Access Control

EPSS: 0.001 (0.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.8 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N.

Affected products

Openclaw — versions 0, 2026.4.25

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

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-2026-53809?: CVE-2026-53809 is a low-severity vulnerability in Openclaw, classified under Incorrect Authorization. CVSS score: 3.8/10. Published 2026-06-11.
How severe is CVE-2026-53809?: Low severity. CVSS v3 base score is 3.8 out of 10.