web-token/jwt-bundle

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  GHSA-jc38-x7x8-2xc8

  PHP JWT Framework: JWSVerifier uses algorithm from unprotected header, enabling algorithm confusion attacks

  ## Summary `JWSVerifier::getAlgorithm()` in `src/Library/Signature/JWSVerifier.php` (line 144) merges protected and unprotected headers using PHP's spread operator: ```php $completeHeader = [...$signature->getProtectedHeader(), ...$signature->getHeader()]; ``…

  web-token/jwt-library web-token/jwt-framework web-token/jwt-experimental web-token/jwt-bundle Packagist
  Jun 18, 2026