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CVE-2025-45768

24
FAUCET Score

CVE-2025-45768 describes a weak encryption vulnerability in pyjwt v2.10.1, affecting the pyjwt_project library. This vulnerability, rated 7.0 HIGH, could allow an unauthenticated attacker to achieve low confidentiality, low integrity, and high availability impact with high attack complexity. Despite the supplier disputing the weakness due to key length being application-defined, the CVSS score indicates a significant risk. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.10.1CPE matchmatch criteria
cpe:2.3:a:pyjwt_project:pyjwt:2.10.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.0HIGH

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
4.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.16%
Probability of exploitation in next 30 days
EPSS Percentile
5.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0016 is in the 0th percentile among its peer group of 8,918 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

microsoft2025-Jul/CVE-2025-45768Moderate

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).

Jul 8, 2025

References

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