The product validates input before it is canonicalized, which prevents the product from detecting data that becomes invalid after the canonicalization step.
MITRE ATT&CK techniques associated with this weakness class (mapped via MITRE CAPEC). A vulnerability of this type could let an adversary carry out:
Security vulnerability in rack
Security vulnerability in pyjwt
Security vulnerability in pyjwt
Security vulnerability in pyjwt
Security vulnerability in rack
Security vulnerability in hono