OWASPASVS 5.0 requirement

ASVS-V10.5.2 The client uniquely identifies the user from id token claims, usually the 'sub' claim, which cannot be reassigned to other users (for the…

L2 Published 2025 Official page ↗
Standard
OWASP ASVS 5.0
Chapter
V10 OAuth and OIDC
Section
V10.5 OIDC Client
Level
L2 (requirement applies from this verification level up)

Requirement

Verify that the client uniquely identifies the user from ID Token claims, usually the 'sub' claim, which cannot be reassigned to other users (for the scope of an identity provider).