What is CVE-2026-56230?

CVE-2026-56230 is a high-severity vulnerability in Capgo, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.8/10. Published 2026-06-30.

How severe is CVE-2026-56230?

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

Auth bypass in Capgo

CVE-2026-56230

Capgo before 12.128.2 contains a broken object level authorization vulnerability in middlewareKey() that accepts the client-controlled x-limited-key-id header without validating ownership, allowing authenticated users to adopt cross-tenant…

Vulnerability class: IDOR (Insecure Direct Object Reference)

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

Capgo — versions 0, 12.128.2

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-56230?: CVE-2026-56230 is a high-severity vulnerability in Capgo, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.8/10. Published 2026-06-30.
How severe is CVE-2026-56230?: High severity. CVSS v3 base score is 8.8 out of 10.