Critical Path Traversal Vulnerability in python3.14-pip Package
Summary
ALSA-2026:36193: Important: python3.14-pip security update. Affects python3.14-pip versions < 25.2-3.el10_2.5. Fixed in 25.2-3.el10_2.5. How to fix ↓
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Background
The python3.14-pip package is a crucial component of the Python programming ecosystem, enabling users to install and manage additional libraries and dependencies. Python is an interpreted, interactive, object-oriented programming language that supports dynamic data types and typing. The pip tool is essential for Python developers, allowing them to easily install packages from the Python Package Index (PyPI). However, vulnerabilities in pip can lead to severe security risks, including unauthorized file access and manipulation.
Vulnerability Detail
The vulnerability identified as CVE-2026-8643 is a path traversal issue that arises from a malicious entry point name during pip wheel installation. This flaw allows an attacker to overwrite arbitrary files on the system, potentially leading to data loss, system compromise, or further exploitation. The vulnerability is particularly concerning as it can be exploited without requiring elevated privileges, making it accessible to a wider range of attackers.
How To Fix
Minimum fixed version
25.2-3.el10_2.5
This is the first release that contains the fix.
sudo dnf update python3.14-pipTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, users can avoid using pip to install packages from untrusted sources or ensure that the entry point names are validated before installation. However, this is not a long-term solution and updating the package is strongly recommended.
Conclusion
The python3.14-pip package has a critical vulnerability (CVE-2026-8643) that allows for path traversal and arbitrary file overwriting. It is crucial for users to update to the patched version to ensure system security. Utilizing tools like Vulert can help monitor for such vulnerabilities in real-time.
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FAQ
CVE-2026-8643 is a security vulnerability in the python3.14-pip package that allows for path traversal, enabling attackers to overwrite arbitrary files on the system.
You can use the Vulert platform to monitor and alert for open-source vulnerabilities in your software. By uploading your manifest file, you can check for vulnerabilities without needing to access the code.
The risks include unauthorized file access, potential data loss, system compromise, and the ability for attackers to exploit the system further.
Yes, a patch is available. Users should update to python3.14-pip version 25.2-3.el10_2.5 or later to mitigate the vulnerability.
If immediate updates are not possible, avoid installing packages from untrusted sources and validate entry point names before installation as a temporary workaround.
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