CVE-2026-2297

N/A

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.

CVE Details

CVSS v3.1 ScoreN/A

Published3/4/2026

Last Modified3/12/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-668

References

https://github.com/python/cpython/commit/482d6f8bdba9da3725d272e8bb4a2d25fb6a603e(cna@python.org)

https://github.com/python/cpython/commit/a51b1b512de1d56b3714b65628a2eae2b07e535e(cna@python.org)

https://github.com/python/cpython/commit/e58e9802b9bec5cdbf48fc9bf1da5f4fda482e86(cna@python.org)

https://github.com/python/cpython/issues/145506(cna@python.org)

https://github.com/python/cpython/pull/145507(cna@python.org)

http://www.openwall.com/lists/oss-security/2026/03/05/6(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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