CVE-2026-82454: Improper Verification of Cryptographic Signature

The Omnivore API packages/api before the fix in commit abf53d6 contains an authentication bypass in Apple sign-in token verification. The decodeAppleToken function extracted the 'alg' field from the attacker-supplied JWT header and passed it as the sole allowed algorithm to jwt.verify. Using...

CVE-2022-23540

CVE-2022-23540 affects the jsonwebtoken library. In versions

GHSA-HJRF-2M68-5959 jsonwebtoken's insecure implementation of key retrieval function could lead to Forgeable Public/Private Tokens from RSA to HMAC

Overview Versions =8.5.1 of jsonwebtoken library can be misconfigured so that passing a poorly implemented key retrieval function referring to the secretOrPublicKey argument from the readme link will result in incorrect verification of tokens. There is a possibility of using a different algorithm...

jsonwebtoken has insecure input validation in jwt.verify function

Overview For versions =8.5.1 of jsonwebtoken library, if a malicious actor has the ability to modify the key retrieval parameter referring to the secretOrPublicKey argument from the readme link of the jwt.verify function, they can gain remote code execution RCE. Am I affected? This security issue...

CVE-2022-23540: Improper Authentication

In versions =8.5.1 of jsonwebtoken library, lack of algorithm definition in the jwt.verify function can lead to signature validation bypass due to defaulting to the none algorithm for signature verification. Users are affected if you do not specify algorithms in the jwt.verify function. This issu...

CVE-2022-23541: Improper Authentication

jsonwebtoken is an implementation of JSON Web Tokens. Versions = 8.5.1 of jsonwebtoken library can be misconfigured so that passing a poorly implemented key retrieval function referring to the secretOrPublicKey argument from the readme link will result in incorrect verification of tokens. There i...