What is CVE-2026-45223?

CVE-2026-45223 is a high-severity vulnerability in Openclaw Crabbox, classified under Authentication Bypass by Spoofing. CVSS score: 8.8/10. Published 2026-05-11.

How severe is CVE-2026-45223?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Openclaw Crabbox

CVE-2026-45223

Crabbox before 0.9.0 contains an authentication bypass vulnerability in the coordinator user-token verification path where the verifyUserToken() function fails to reject payloads containing an admin claim, allowing attackers to escalate pr…

EPSS: 0.001 (23.8th percentile) — read the EPSS interpretation.

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.

Affected products

Openclaw Crabbox — versions 0, 46079f6de7f10cf61bc47efebd0c143a41664898

Weakness classification (CWE)

CWE-290 — Authentication Bypass by Spoofing

References

disclosure@vulncheck.com (release-notes)
disclosure@vulncheck.com (issue-tracking)
disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-45223?: CVE-2026-45223 is a high-severity vulnerability in Openclaw Crabbox, classified under Authentication Bypass by Spoofing. CVSS score: 8.8/10. Published 2026-05-11.
How severe is CVE-2026-45223?: High severity. CVSS v3 base score is 8.8 out of 10.