CVE-2025-45765

critical · 9.1

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."

9.1

CVSS

0.2%

EPSS (exploit prob.)

6th

EPSS percentile

2025-08-07

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Weaknesses

CWE-326

References

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

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2025-45765