Vulnerability Description
Capgo before 12.128.2 contains an information disclosure vulnerability in the /functions/v1/channel_self endpoint that allows unauthenticated attackers to enumerate non-public channel names and determine app existence and subscription status. Remote attackers can send GET requests with arbitrary app_id parameters to disclose internal rollout channels, enumerate valid applications across tenants, and leak billing status without authentication or device binding.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/Cap-go/capgo/security/advisories/GHSA-469v-6vw5-hxpq
- https://www.vulncheck.com/advisories/capgo-unauthenticated-channel-enumeration-a
- https://github.com/Cap-go/capgo/security/advisories/GHSA-469v-6vw5-hxpq
FAQ
What is CVE-2026-56323?
CVE-2026-56323 is a vulnerability with a CVSS score of 7.5 (HIGH). Capgo before 12.128.2 contains an information disclosure vulnerability in the /functions/v1/channel_self endpoint that allows unauthenticated attackers to enumerate non-public channel names and determ...
How severe is CVE-2026-56323?
CVE-2026-56323 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-56323?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.