What is CVE-2026-56227?

CVE-2026-56227 is a medium-severity vulnerability in Capgo, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.4/10. Published 2026-06-20.

How severe is CVE-2026-56227?

Medium severity. CVSS v3 base score is 5.4 out of 10.

SSRF in Capgo

CVE-2026-56227

Capgo before 12.128.2 contains a server-side request forgery vulnerability in webhook URL validation that allows loopback and internal addresses. Organization admins can configure webhooks pointing to localhost or 127.0.0.1, and when trigg…

Vulnerability class: SSRF (Server-Side Request Forgery)

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

Affected products

Capgo — versions 0, 12.128.2

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

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

Frequently asked questions

What is CVE-2026-56227?: CVE-2026-56227 is a medium-severity vulnerability in Capgo, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.4/10. Published 2026-06-20.
How severe is CVE-2026-56227?: Medium severity. CVSS v3 base score is 5.4 out of 10.