Weak Encryption Padding in upydev

upydev Updated 02 Oct 2025

Summary

21/11/2023
No i
High
7.5

CVE-2023-48051: upydev has weak encryption padding. Affects upydev versions < 0.4.3. No fix is published. How to fix ↓

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Background

upydev is a Python package available on PyPI that provides functionality for key generation. It is commonly used in various projects for encryption purposes. However, a vulnerability has been discovered in version 0.4.3 of upydev, which involves weak encryption padding.

Vulnerability Detail

The vulnerability exists in the keygen.py file of upydev. Attackers can exploit this weakness to decrypt sensitive information due to the inadequate encryption padding used. This can lead to the exposure of confidential data and potential unauthorized access to systems or resources.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

Currently, there is no known workaround for this vulnerability. It is crucial to apply the official fix or update provided by the upydev maintainers.

Conclusion

The weak encryption padding vulnerability in upydev version 0.4.3 can potentially lead to the exposure of sensitive information and unauthorized access. It is crucial to update to a secure version once it becomes available. For further support on vulnerability remediation, please contact DevNack.com.

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FAQ

upydev is a Python package used for key generation and encryption purposes.

This vulnerability allows attackers to decrypt sensitive information, potentially leading to unauthorized access and exposure of confidential data.

Version 0.4.3 of upydev is affected by this vulnerability.

A fix for this vulnerability is expected to be released by the upydev maintainers. Users should update to the latest secure version once it becomes available.

Currently, there are no known workarounds for this vulnerability. Applying the official fix or update is the recommended solution.

How To Fix

No fixed version is published for this vulnerability.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

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