Skip to main content
← All vulnerabilities
CVE-2026-56303

Capgo - Unauthenticated API Key Metadata Disclosure via SECURITY DEFINER RPC Function

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 12.128.2
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: yes
  • Technical impact: partial

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: yes · Technical impact: partial

  3. Record last updated

Affected versions

  • Capgo Capgo

    fixed in 12.128.2

References 2

GitHub · Cap-go/capgo

vulncheck.com