VulnerabilityModified
CVE-2025-45770
jwt v5.4.3 was discovered to contain weak encryption.
HIGH 7.0EPSS 0.12%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.12%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
jwt v5.4.3 was discovered to contain weak encryption. NOTE: this issue has been disputed on the basis that key lengths are expected to be set by an application, not by this library. This dispute is subject to review under CNA rules 4.1.4, 4.1.14, and other rules; the dispute tagging is not meant to recommend an outcome for this CVE Record.
- CVSS 3.1
- 7.0 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
- EPSS
- 0.12% probability · 2th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-326
- Affected
- jwt project/jwt
- Source
- cve@mitre.org
References
- https://gist.github.com/ZupeiNie/cd88c827eef11a1618f8baacccd240fbThird Party Advisory
- https://github.com/lcobucciProduct
- https://github.com/lcobucci/jwtProduct
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.