CVE-2021-29451: Missing validation of JWT signature in `ManyDesigns/Portofino`

Severity: Critical

CVSS Score: 9.1

Portofino is an open source web development framework. Portofino before version 5.2.1 did not properly verify the signature of JSON Web Tokens. This allows forging a valid JWT. The issue will be patched in the upcoming 5.2.1 release.