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CVE-2026-56230

Capgo - Broken Object Level Authorization via x-limited-key-id Header

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 12.128.2
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

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 limited keys. Attackers can supply another tenant's limited key ID to bypass authorization checks and access unauthorized cross-tenant resources across multiple API endpoints.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · 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