VULNRABLE / Vulnerability / CVE-2026-56666

CVE-2026-56666

MEDIUM LOW github.com/zitadel/zitadel GHSA

Exploit verdict: No active-exploit signal

CVSS Score

5.5

Severity

MEDIUM

EPSS

Source

GHSA

Summary

ZITADEL: Auto-linking by email: IdP-side email verification is not checked

What this means

CVE-2026-56666 is a medium-severity vulnerability affecting github.com/zitadel/zitadel, rated CVSS 5.5. The EPSS model estimates a 0% probability of exploitation in the next 30 days. Published September 12, 2026.

View full advisory at GHSA →