CVE Catalog

CVE-2026-15611

CriticalCVSS 9.1
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.15%

5th percentile - higher than 5% of all known CVEs

Summary

Logto allows unverified email-based SSO account linking, enabling an attacker to register an identity at a permissive IdP using a victim’s email and gain unauthorized access to the victim’s account.

Risk Assessment

The risk is that an attacker can hijack a victim's account by registering with an external identity provider using the victim's email.

Recommendation

Upgrade Logto to a version that requires email verification before linking SSO accounts.

Original NVD description (English source)

Logto allows unverified email-based SSO account linking, enabling an attacker to register an identity at a permissive IdP using a victim’s email and gain unauthorized access to the victim’s account.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS