CVE-2026-56306

Capgo before 12.128.2 contains a parsing vulnerability in the x-limited-key-id header that can bypass subkey enforcement and let attackers make requests under the main API key context instead of restricted subkey permissions. The issue arises from malformed, zero, or duplicate header values produ...

CVE-2026-56306

Capgo before 12.128.2 contains a weak parsing vulnerability in the x-limited-key-id header that allows attackers to bypass subkey enforcement by submitting malformed values, zero, or duplicate headers that result in NaN or falsy values. Remote attackers can manipulate the x-limited-key-id header ...