CVE-2026-15611

Description

Logto allows unverified email-based SSO account linking, enabling an attacker to register an identity at a permissive IdP using a victim’s email and gain unauthorized access to the victim’s account.

Metadata

CVE ID: CVE-2026-15611
State: PUBLISHED
Assigner: certcc
Reserved: 2026-07-13 16:09 UTC
Published: 2026-07-23 15:45 UTC
Last updated: 2026-07-23 15:45 UTC
Vendor / Product: Logto / Logto
Sources: cve.org · NVD

Severity & Metrics

No CVSS data available.

Affected products (1)

Vendor	Product	Platform	Versions
Logto	Logto	—	1.11.0 ≤ 1.37.1

Weakness (CWE)

CWE	Source	Description
—	cna	CWE-287 Improper Authentication

References (2)

https://github.com/logto-io/logto/blob/ea3ede35028dfd0bbb6d7b239623ce0e7f6cdff8/packages/core/src/libraries/verification-helpers/single-sign-on.ts#L274
https://github.com/logto-io/logto/blob/ea3ede35028dfd0bbb6d7b239623ce0e7f6cdff8/packages/core/src/routes/experience/classes/verifications/enterprise-sso-verification.ts#L284-L297

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