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Product · jwt

ruby-jwt

1 known vulnerabilities.

ruby-jwt at a glance

Last 12 months
1
Critical · all time
1
Exploited · all time
0
Public exploit · all time
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New vulnerabilities per month · last 12 months
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All Critical High Medium Low Exploited only Public exploit

1 result · Feed

  • Critical 9.1
    CVE-2026-45363

    `jwt` (Ruby gem) - empty-key HMAC bypass

    ruby-jwt is a Ruby implementation of the RFC 7519 OAuth JSON Web Token standard. Prior to 2.10.3 and 3.2.0, JWT.decode(token, '', true, algorithm: 'HS256') accepts an attacker-forged token because OpenSSL::HMAC.digest('SHA256', '', payload) returns a valid di…

    jwt ruby-jwt ruby-jwt ruby-jwt Debian Ubuntu RubyGems