CVE-2026-3479

Description

pkgutil.get_data() did not validate the resource argument as documented, allowing path traversals.

References

• https://github.com/python/cpython/commit/bcdf231946b1da8bdfbab4c05539bb0cc964a1c7
• https://github.com/python/cpython/issues/146121
• https://github.com/python/cpython/pull/146122
• https://mail.python.org/archives/list/security-announce@python.org/thread/WYLLVQOOCKGK73JM7Z7ZSNOJC4N7BAWY/