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

CVE-2026-15617

Principal/domain lookup without case normalization PUBLISHED

Description (CNA)

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

Affected (CNA)

Vendor / product	Versions
Logto / Logto	affected 1.10.1 through 1.37.1

CWE

No CWE identifiers supplied.

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.