Unrated severityNVD Advisory· Published Jul 23, 2026· Updated Jul 27, 2026

Local MFA not enforced during SSO sign-in

CVE-2026-15616

Description

Logto does not enforce locally configured MFA during SSO authentication, allowing users to bypass second-factor requirements and grants unauthorized access.

Affected products

Logto Io/logtollm-fuzzy

Patches

Vulnerability mechanics

References

github.com/logto-io/logto/blob/ea3ede35028dfd0bbb6d7b239623ce0e7f6cdff8/packages/core/src/routes/experience/classes/experience-interaction.tsmitre

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