What is CVE-2026-56300?

CVE-2026-56300 is a high-severity vulnerability in Capgo, classified under Information Disclosure. CVSS score: 7.5/10. Published 2026-06-30.

How severe is CVE-2026-56300?

High severity. CVSS v3 base score is 7.5 out of 10.

Information disclosure in Capgo

CVE-2026-56300

Capgo before 12.128.2 contains unauthenticated security definer RPC functions get_user_id and get_org_perm_for_apikey that expose API key validity oracles and user UUID disclosure. Unauthenticated attackers using the public API key can val…

Vulnerability class: Information Disclosure

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Capgo — versions 0, 12.128.2

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

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

Frequently asked questions

What is CVE-2026-56300?: CVE-2026-56300 is a high-severity vulnerability in Capgo, classified under Information Disclosure. CVSS score: 7.5/10. Published 2026-06-30.
How severe is CVE-2026-56300?: High severity. CVSS v3 base score is 7.5 out of 10.