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/69ddd9bb2cc4bd69b1565647c18659c6a789ccd9
https://github.com/python/cpython/commit/876858c9f65d9ab656c7fa639f268ce7856d89dd
https://github.com/python/cpython/commit/a51b1b512de1d56b3714b65628a2eae2b07e535e
https://github.com/python/cpython/commit/c70adad78caeeea33f92f560ecb93331ca11bf66
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

No history.

Information

Published : 2026-03-04 23:16

Updated : 2026-08-13 01:16

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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