CVE-2025-45765

CRITICAL EPSS 4.7%
Published Aug 7, 202510mo ago · Modified Jun 17, 20262w ago
9.1 CVSS 3.1
Critical
Find Similar
Published Aug 7, 2025 10mo ago
Last Modified Jun 17, 2026 2w ago

Description

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."

CVSS Details

Base Score
9.1
Exploitability
3.9
Impact
5.2
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
4.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-326

References 2

  • gist.github.com https://gist.github.com/ZupeiNie/c621253068ce5b64911629534879e8f9
  • github.com https://github.com/jwt/ruby-jwt/issues/668

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.