What is CVE-2026-56329?

CVE-2026-56329 is a medium-severity vulnerability in Capgo, classified under CWE-436. CVSS score: 6.4/10. Published 2026-07-10.

How severe is CVE-2026-56329?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Vulnerability in Capgo

CVE-2026-56329

Capgo before 12.128.2 contains a cross-tenant preview namespace collision vulnerability caused by non-bijective decoding of double underscores to dots in preview hostname parsing. Attackers can register app IDs with underscores that collid…

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L.

Affected products

Capgo — versions 0, 12.128.2

Weakness classification (CWE)

CWE-436

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-56329?: CVE-2026-56329 is a medium-severity vulnerability in Capgo, classified under CWE-436. CVSS score: 6.4/10. Published 2026-07-10.
How severe is CVE-2026-56329?: Medium severity. CVSS v3 base score is 6.4 out of 10.