CVE-2026-56328: Capgo before 12.128.2 allows multiple public channels for the same app and platform to coexist simultaneously, while unnamed /updates requests without defaultChannel implicitly res

mediumCVSS 6.5CVE-2026-56328

Capgo before 12.128.2 allows multiple public channels for the same app and platform to coexist simultaneously, while unnamed /updates requests without defaultChannel implicitly resolve to a single hidden winner channel. An authorized app or channel manager can create ambiguous default update state and silently influence which bundle unnamed clients receive, breaking release routing integrity and predictability.

Details

Source: NVD Recent CVEs (US · database · site)
Severity: medium — CVSS 6.5
Published: 2026-06-30
Last updated: 2026-07-01
Exploitation: Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-56328

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-563280.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 16% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-56328	coverage & exploitation status	NVD · CVE.org

Recent advisories for Capgo

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

highCVE-2026-56303: Capgo before 12.128.2 contains an information disclosure vulnerability in the find_apikey_by_v…nvd · 2026-07-11
mediumCVE-2026-56240: Capgo before 12.128.12 contains a billing authorization bypass vulnerability in the plan_valid…nvd · 2026-07-11
mediumCVE-2026-56335: Capgo before 12.128.2 contains an authorization bypass vulnerability where write-scoped API ke…nvd · 2026-07-10
mediumCVE-2026-56329: Capgo before 12.128.2 contains a cross-tenant preview namespace collision vulnerability caused…nvd · 2026-07-10
mediumCVE-2026-56312: Capgo before 12.128.2 contains an improper validation vulnerability in the accept_invitation e…nvd · 2026-07-10
mediumCVE-2026-56309: Capgo before 12.128.2 fails to enforce plan/quota restrictions on the /files/upload/attachment…nvd · 2026-07-10

CVE-2026-56328: Capgo before 12.128.2 allows multiple public channels for the same app and platform to coexist simultaneously, while unnamed /updates requests without defaultChannel implicitly res

Details

Exploitation outlook

Referenced CVEs

Recent advisories for Capgo

More from NVD Recent CVEs