CVE-2026-15617

The Logto identity and access management platform is vulnerable to principal collision and unauthorized account access due to a lack of string normalization. The software performs strict, unnormalized comparisons on email domains , issuer identifiers , and identity IDs during SSO flows. Because t...

CVE-2026-15617 Principal/domain lookup without case normalization

Logto performs principal lookup without normalizing email and identifier strings, enabling principal collision and unauthorized account access via case- or Unicode-different identities...

CVE-2026-15617: Improper Handling of Case Sensitivity

Logto performs principal lookup without normalizing email and identifier strings, enabling principal collision and unauthorized account access via case- or Unicode-different identities...