Information disclosure in Capgo
CVE-2026-56303
Capgo before 12.128.2 contains an information disclosure vulnerability in the find_apikey_by_value PostgreSQL function marked SECURITY DEFINER and executable by the anon role. Unauthenticated attackers can call this function via the /rest/v1/rpc/find_apikey_by_value endpoint to retrieve sensitive API key metadata including user_id, mode, org scoping, and expiration details when supplied a valid key value.
Vulnerability class: Information Disclosure
EPSS: 0.005 (37.8th percentile) — read the EPSS interpretation.
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)
References
- disclosure@vulncheck.com (vendor-advisory)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-56303?
- CVE-2026-56303 is a high-severity vulnerability in Capgo, classified under Information Disclosure. CVSS score: 7.5/10. Published 2026-07-11.
- How severe is CVE-2026-56303?
- High severity. CVSS v3 base score is 7.5 out of 10.