Vulnerability Description
Capgo before 12.128.2 contains an authorization bypass vulnerability where write-scoped API keys can directly mutate protected channel configuration fields through PostgREST by exploiting a null authentication check in the immutability trigger. Attackers with write API keys can modify sensitive channel attributes such as public, allow_emulator, and security-related flags outside intended application routes.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/Cap-go/capgo/security/advisories/GHSA-ph9c-vwjq-pqhj
- https://www.vulncheck.com/advisories/capgo-channel-configuration-mutation-via-wr
- https://github.com/Cap-go/capgo/security/advisories/GHSA-ph9c-vwjq-pqhj
FAQ
What is CVE-2026-56335?
CVE-2026-56335 is a vulnerability with a CVSS score of 6.5 (MEDIUM). Capgo before 12.128.2 contains an authorization bypass vulnerability where write-scoped API keys can directly mutate protected channel configuration fields through PostgREST by exploiting a null authe...
How severe is CVE-2026-56335?
CVE-2026-56335 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-56335?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.