CVE Daily

CVE-2025-45765

ruby-jwt v3.0.0.beta1 was discovered to contain weak encryption. NOTE: the Suppl...

Critical CVSS 9.1

Overview

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."

CWE: CWE-326 Published: 2025-08-07T21:15:27.570
Risk analysis

This vulnerability is rated 🔴 CRITICAL.

  • CVSS: 9.1 (CRITICAL)
  • Detected tags: crypto, jwt (tag impact: MODERATE)

Recommended actions:

  • Drop weak ciphers/protocols; prefer modern, safe defaults.
  • Use strong algorithms (HS256/RS256), rotate secrets, short expiries.

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