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CVE-2026-56243

Capgo - Hashed API Key Enforcement Bypass via PostgREST/RLS Plane

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: no
  • Technical impact: total

Summary

Capgo before 12.128.2 contains a security control bypass vulnerability where the PostgREST/RLS plane accepts plaintext API keys through the capgkey header despite enforce_hashed_api_keys being enabled. Attackers can bypass org-level hashed-key enforcement by sending plaintext API keys directly to the PostgREST/RLS plane to access protected resources.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • Capgo Capgo

    fixed in 12.128.2

References 2

GitHub · Cap-go/capgo

vulncheck.com