CVE-2026-56230
Capgo - Broken Object Level Authorization via x-limited-key-id Header
- State
- Published
- Severity
- 8.7 High
- Published
- Jun 30, 2026
- Updated
- Jul 1, 2026
- Reserved
- Jun 19, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | 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 | VulnCheck |
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-639 Authorization Bypass Through User-Controlled Key
Affected Products
| Product | Versions |
|---|---|
CapgoCapgo |
|
References
- GitHub Security Advisory (GHSA-cppm-733w-hg86)vendor-advisory
- VulnCheck Advisory: Capgo - Broken Object Level Authorization via x-limited-key-id Headerthird-party-advisory
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.