Vulnerability in Pyjwt Project
CVE-2025-45768
pyjwt v2.10.1 was discovered to contain weak encryption. NOTE: this is disputed by the Supplier because the key length is chosen by the application that uses the library (admittedly, library users may benefit from a minimum value and a mechanism for opting in to strict enforcement).
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H.
EPSS exploit prediction
EPSS: 0.002 (5.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 5.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Pyjwt Project — versions 2.10.1
Weakness classification (CWE)
References
- github.com/jpadilla (Product)
- github.com/jpadilla/pyjwt (Product)
- gist.github.com/ZupeiNie/6f65e564f2067b876321d3dfdbb76569 (Issue Tracking)
Frequently asked questions
- What is CVE-2025-45768?
- CVE-2025-45768 is a high-severity vulnerability in Pyjwt Project, classified under Missing Encryption of Sensitive Data. CVSS score: 7.0/10. Published 2025-07-31.
- How severe is CVE-2025-45768?
- High severity. CVSS v3 base score is 7.0 out of 10.