Description

The import hook in CPython that handles legacy *.pyc files (SourcelessFileLoader) is incorrectly handled in FileLoader (a base class) and so does not use io.open_code() to read the .pyc files. sys.audit handlers for this audit event therefore do not fire.

INFO

Published Date :

2026-03-04T22:10:43.297Z

Last Modified :

2026-03-04T22:14:56.190Z

Source :

PSF
AFFECTED PRODUCTS

The following products are affected by CVE-2026-2297 vulnerability.

Vendors Products
Python
  • Cpython
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-2297.

URL Resource
https://github.com/python/cpython/commit/482d6f8bdba9da3725d272e8bb4a2d25fb6a603e cve-icon cve-icon
https://github.com/python/cpython/commit/a51b1b512de1d56b3714b65628a2eae2b07e535e cve-icon cve-icon
https://github.com/python/cpython/commit/e58e9802b9bec5cdbf48fc9bf1da5f4fda482e86 cve-icon cve-icon
https://github.com/python/cpython/issues/145506 cve-icon cve-icon
https://github.com/python/cpython/pull/145507 cve-icon cve-icon
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