Improper Validation of Specified Type of Input

Overview fast-jwt is a Fast JSON Web Token implementation Affected versions of this package are vulnerable to Improper Validation of Specified Type of Input via the decode function in src/decoder.js, where a JWT with a JSON array as its payload passes the object type check because typeof ===...

CVE-2026-103001

PyJWT is a Python implementation of JSON Web Token standards. From 2.11.0 through 2.13.0, PyJWT's PyJWT.mergeoptions method can modify a caller-supplied mutable options mapping when verifysignature is false. If an application reuses that same mapping for a later decode or decodecomplete call and...