CVE-2026-2297

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.

CVSS

No CVSS.

References

Link	Resource
https://github.com/python/cpython/commit/482d6f8bdba9da3725d272e8bb4a2d25fb6a603e
https://github.com/python/cpython/commit/a51b1b512de1d56b3714b65628a2eae2b07e535e
https://github.com/python/cpython/commit/e58e9802b9bec5cdbf48fc9bf1da5f4fda482e86
https://github.com/python/cpython/issues/145506
https://github.com/python/cpython/pull/145507
http://www.openwall.com/lists/oss-security/2026/03/05/6

Configurations

No configuration.

History

12 Mar 2026, 15:16

Type	Values Removed	Values Added
Summary		(es) El gancho de importación en CPython que maneja los archivos *.pyc heredados (SourcelessFileLoader) es manejado incorrectamente en FileLoader (una clase base) y por lo tanto no usa io.open_code() para leer los archivos .pyc. Los manejadores de sys.audit para este evento de auditoría, por lo tanto, no se disparan.
CWE		CWE-668

05 Mar 2026, 19:16

Type	Values Removed	Values Added
References		() http://www.openwall.com/lists/oss-security/2026/03/05/6 -

04 Mar 2026, 23:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-03-04 23:16

Updated : 2026-03-12 15:16

NVD link : CVE-2026-2297

Mitre link : CVE-2026-2297

CVE.ORG link : CVE-2026-2297

JSON object : View

Products Affected

No product.

CWE

CWE-668

Exposure of Resource to Wrong Sphere

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