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High 7.5
JSON-jwt Gem lacked element count during splitting of JWE string
The json-jwt gem before 1.11.0 for Ruby lacks an element count during the splitting of a JWE string.
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Medium 5.3
Json-jwt did not verify the cryptographic signature for data
Nov json-jwt version >= 0.5.0 && < 1.9.4 contains a CWE-347: Improper Verification of Cryptographic Signature vulnerability in Decryption of AES-GCM encrypted JSON Web Tokens that can result in Attacker can forge a authentication tag. This attack appear to be…