CVE-2026-55377 — Logto: Account Center MFA management step-up bypass via WebAuthn registration verification
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 bel…
Published: 2026-07-10 · CVSS: 8.1 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7