EUVD-2026-1693

jose-swift has JWT Signature Verification Bypass via None Algorithm...

Use of a Broken or Risky Cryptographic Algorithm

Overview beatt83/jose-swift is a comprehensive support for the Jose suite of standards, including JWA JSON Web Algorithms, JWK JSON Web Key, JWE JSON Web Encryption, JWS JSON Web Signature, and JWT JSON Web Token. Affected versions of this package are vulnerable to Use of a Broken or Risky...

PT-2026-6395

Summary An authentication bypass vulnerability allows any unauthenticated attacker to forge arbitrary JWT tokens by setting "alg": "none" in the token header. The library's verification functions immediately return true for such tokens without performing any cryptographic verification, enabling...