CVE-2026-56230 HIGH

CVE-2026-56230: Capgo - Broken Object Level Authorization via x-limited-key-id Header

Vendor Capgo
Product Capgo
Weakness CWE-639 · IDOR
Published June 30, 2026
Last update July 1, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 30, 2026 CVE published
July 1, 2026 Record updated