Description
Logto performs principal lookup without normalizing email and identifier strings, enabling principal collision and unauthorized account access via case- or Unicode-different identities.
Published: 2026-07-23
Score: 9.1 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 28 Jul 2026 20:30:00 +0000

Type Values Removed Values Added
First Time appeared Logto-io
Logto-io logto
Vendors & Products Logto-io
Logto-io logto

Mon, 27 Jul 2026 17:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-178
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Sun, 26 Jul 2026 04:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-200
CWE-287

Thu, 23 Jul 2026 21:45:00 +0000

Type Values Removed Values Added
Description Logto performs principal lookup without normalizing email and identifier strings, enabling principal collision and unauthorized account access via case- or Unicode-different identities.
Title Principal/domain lookup without case normalization
References

Subscriptions

Logto-io Logto
cve-icon MITRE

Status: PUBLISHED

Assigner: certcc

Published:

Updated: 2026-07-27T15:33:20.686Z

Reserved: 2026-07-13T16:14:46.769Z

Link: CVE-2026-15617

cve-icon Vulnrichment

Updated: 2026-07-27T15:32:15.126Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-28T20:15:03Z

Weaknesses
  • CWE-178

    Improper Handling of Case Sensitivity

  • CWE-200

    Exposure of Sensitive Information to an Unauthorized Actor

  • CWE-287

    Improper Authentication