ruby-jwt: Empty-key HMAC bypass; cross-language sibling of CVE-2026-44351

JWT.decodetoken, '', true, algorithm: 'HS256' accepts an attacker-forged token. OpenSSL::HMAC.digest'SHA256', '', payload returns a valid digest under an empty key, and no raise InvalidKeyError if key.empty? precondition exists in the HMAC algorithm. JWT.decodetoken, "", true, algorithm: 'HS256' ...

EUVD-2025-23954

Malicious code in bioql PyPI...

SUSE CVE-2025-45765

ruby-jwt v3.0.0.beta1 was discovered to contain weak encryption. NOTE: the Supplier's perspective is "keysize is not something that is enforced by this library. Currently more recent versions of OpenSSL are enforcing some key sizes and those restrictions apply to the users of this gem also."...

CVE-2025-45765

ruby-jwt v3.0.0.beta1 was discovered to contain weak encryption. NOTE: the Supplier's perspective is "keysize is not something that is enforced by this library. Currently more recent versions of OpenSSL are enforcing some key sizes and those restrictions apply to the users of this gem also."...

DEBIAN-CVE-2025-45765

ruby-jwt v3.0.0.beta1 was discovered to contain weak encryption. NOTE: the Supplier's perspective is "keysize is not something that is enforced by this library. Currently more recent versions of OpenSSL are enforcing some key sizes and those restrictions apply to the users of this gem also."...

UBUNTU-CVE-2025-45765

ruby-jwt v3.0.0.beta1 was discovered to contain weak encryption. NOTE: the Supplier's perspective is "keysize is not something that is enforced by this library. Currently more recent versions of OpenSSL are enforcing some key sizes and those restrictions apply to the users of this gem also."...

PT-2025-32312 · Ruby-Jwt +1 · Ruby-Jwt +1

Name of the Vulnerable Software and Affected Versions: ruby-jwt version 3.0.0.beta1 Description: ruby-jwt v3.0.0.beta1 contains weak encryption. The supplier notes that key size is not enforced by the library itself, and restrictions imposed by recent versions of OpenSSL may apply to users of the...

CVE-2025-45765

The ruby-jwt v3.0.0.beta1 library is vulnerable to weak encryption because it does not enforce minimum key sizes. A malicious actor could exploit this lack of enforcement to compromise the confidentiality of protected data, potentially leading to unauthorized access to sensitive information. Whil...

CVE-2025-45765

ruby-jwt v3.0.0.beta1 was discovered to contain weak encryption. NOTE: the Supplier's perspective is "keysize is not something that is enforced by this library. Currently more recent versions of OpenSSL are enforcing some key sizes and those restrictions apply to the users of this gem also."...

CVE-2025-45765: Inadequate Encryption Strength

ruby-jwt v3.0.0.beta1 was discovered to contain weak encryption. NOTE: the Supplier's perspective is "keysize is not something that is enforced by this library. Currently more recent versions of OpenSSL are enforcing some key sizes and those restrictions apply to the users of this gem also."...