CVE-2026-56322

Description

Capgo before 12.128.2 contains an information disclosure vulnerability in the unauthenticated /updates endpoint that resolves the defaultChannel parameter before enforcing privacy restrictions, allowing attackers to enumerate private channels and leak version/config state. Unauthenticated attackers can probe private channel names and distinguish valid channels from nonexistent ones based on response differences, revealing assigned bundle versions and platform-specific configuration details.

CVSS Vector

References

• https://github.com/Cap-go/capgo/security/advisories/GHSA-pgmr-gw53-7f77
• https://www.vulncheck.com/advisories/capgo-information-disclosure-via-unauthenticated-updates-defaultchannel-parameter
• https://github.com/Cap-go/capgo/security/advisories/GHSA-pgmr-gw53-7f77