CVE-2026-15617NVD

Vulnerability Summary

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

Severity Level

CRITICAL(9.1)

Published Date

Jul 23, 2026

Last Modified

Jul 27, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

0.36%Probability

Root Weakness (CWE)

CWE-178: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v3.1 Base Metrics — Score 9.1 (CRITICAL)

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

Affected & Patched Versions

Affected Versions

Not provided by NVD for this CVE.

Patched Versions

Not provided by NVD for this CVE.

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