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Vulnerability record · CVE-2025-45768 · published 31 July 2025

CVE-2025-45768: Pyjwt project pyjwt missing encryption vulnerability

Pyjwt Project · Pyjwt

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).

7.0 CVSS 3.1 High EPSS 0.17% · top 94.6% CWE-311 · Missing encryption
7.0CVSS 3.1 base score
0.17%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

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).

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://gist.github.com/ZupeiNie/6f65e564f2067b876321d3dfdbb76569 Issue Tracking
https://github.com/jpadilla Product
https://github.com/jpadilla/pyjwt Product

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-45768), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.