High severity · published Jul 31, 2025
CVE-2025-45768
pyjwt v2.10.1 was discovered to contain weak encryption
7.0
CVSS
0.2%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PY
Pyjwt · Pyjwt Project
2.10.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-45768
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-45768
Issue Tracking
https://gist.github.com/ZupeiNie/6f65e564f2067b876321d3dfdbb76569
Product
https://github.com/jpadilla
Product
https://github.com/jpadilla/pyjwt
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