CVE-2026-56322 · Symaro Security Advisory

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.

Severity (CVSS)

Base score	8.7
Severity	High
Version	CVSS 4.0
Vector	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Provided by	CNA

Weaknesses

CWE-200 — Exposure of Sensitive Information to an Unauthorized Actor

Affected products

Vendor	Product	Versions
Capgo	Capgo	0 to <12.128.2; 12.128.2

References

https://github.com/Cap-go/capgo/security/advisories/GHSA-pgmr-gw53-7f77 (vendor-advisory)
https://www.vulncheck.com/advisories/capgo-information-disclosure-via-unauthenticated-updates-defaultchannel-parameter (third-party-advisory)

Authoritative sources

This page is a snapshot. For the latest enrichment and updates, view the record on CVE.org or the NVD.

Generated from the official CVE List on 24 Jun 2026 09:35 UTC.