CVE-2026-15617

Critical · CVSS 9.1

CVSS: 9.1; nvd
EPSS: 0.15%; 5th pct
KEV: No
Class: oss containerizable; CWE-178

Description

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

References

https://github.com/logto-io/logto/blob/ea3ede35028dfd0bbb6d7b239623ce0e7f6cdff8/packages/core/src/libraries/verification-helpers/single-sign-on-guard.ts#L23-L33

Status: profiled · ingested 2026-07-27T18:00:00.000Z