CVE-2026-56230
8.7
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
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Capgo | Capgo | 0 < 12.128.2 | affected |
| Capgo | Capgo | 12.128.2 | unaffected |
Weaknesses
- CWE-639: Authorization Bypass Through User-Controlled Key
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
References
- https://github.com/Cap-go/capgo/security/advisories/GHSA-cppm-733w-hg86
- https://www.vulncheck.com/advisories/capgo-broken-object-level-authorization-via-x-limited-key-id-header
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