Vulnerability Description
Capgo before 12.128.2 fails to enforce limited_to_orgs and limited_to_apps constraints on subkeys provided via x-limited-key-id header in middlewareKey function. Attackers can bypass subkey scope restrictions by referencing their own subkeys, causing all downstream route handlers to use the unrestricted parent key instead of the scoped subkey.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/Cap-go/capgo/security/advisories/GHSA-2h89-vcvx-5pvh
- https://www.vulncheck.com/advisories/capgo-subkey-scope-bypass-in-middlewarekey-
- https://github.com/Cap-go/capgo/security/advisories/GHSA-2h89-vcvx-5pvh
FAQ
What is CVE-2026-56232?
CVE-2026-56232 is a vulnerability with a CVSS score of 8.8 (HIGH). Capgo before 12.128.2 fails to enforce limited_to_orgs and limited_to_apps constraints on subkeys provided via x-limited-key-id header in middlewareKey function. Attackers can bypass subkey scope rest...
How severe is CVE-2026-56232?
CVE-2026-56232 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-56232?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.