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CVE-2026-55377

Logto: Account Center MFA management step-up bypass via WebAuthn registration verification PUBLISHED

Description (CNA)

Logto is the modern, open-source auth infrastructure for SaaS and AI apps. Prior to 1.41.0, Logto's Account Center step-up check accepted any active verification record that belonged to the current user and had isVerified === true. A WebAuthn registration verification record for binding a new passkey could be created and verified with only an existing Account API bearer token, then sent in the logto-verification-id header and treated as identityVerified=true by Account Center routes, allowing MFA factor management without proving possession of an existing password, identifier, or MFA factor. This issue is fixed in version 1.41.0.

Affected (CNA)

Vendor / productVersions
logto-io / logtoaffected < 1.41.0

CWE

CWE-287

References

ADP enrichment

CISA-ADP

No English description supplied.