CVE-2026-3479
lowpriority · track · 0EPSS 0.002 · 16 %ileDEEUFRRUUSEPSS · scored 2026-10-27
DISPUTED: The project has clarified that the documentation was incorrect, and that pkgutil.get_data() has the same security model as open(). The documentation has been updated to clarify this point. There is no vulnerability in the function if following the intended security model. pkgutil.get_data() did not validate the resource argument as documented, allowing path traversals.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · none–low · 0–3.3
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (33)
Products and version ranges known to be affected.
advisories (5)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-0791Python: Schwachstelle ermöglicht Path TraversalDeutsch2026-03-18csaf · cert_bundDE
Ein lokaler Angreifer kann eine Schwachstelle in Python ausnutzen, um einen Path-Traversal Angriff durchzuführen.
- BIT-python-2026-3479pkgutil.get_data() does not enforce documented restrictions2026-03-20vendor · osvUS
pkgutil.get_data() did not validate the resource argument as documented, allowing path traversals.
- BIT-python-min-2026-3479pkgutil.get_data() does not enforce documented restrictions2026-03-20vendor · osvUS
pkgutil.get_data() did not validate the resource argument as documented, allowing path traversals.
- CERTFR-2026-AVI-1385Multiples vulnérabilités dans les produits VMwareFrançais2026-10-26vendor · certfrFR
- PSF-2026-132026-03-18vendor · osvUS
DISPUTED: The project has clarified that the documentation was incorrect, and that pkgutil.get_data() has the same security model as open(). The documentation has been updated to clarify this point. There is no vulnerability in the function if following the intended security model. pkgutil.get_data() did not validate the resource argument as documented, allowing path traversals.
also known as (8)
Other names and identifiers for this entity.
- CNNVD-202603-3361cnnvd
- EUVD-2026-12940enisa_euvd
- BDU:2026-11380fstec_bdu
- GHSA-43rw-359f-4h89enisa_euvd
- BIT-libpython-2026-3479osv
- BIT-python-2026-3479osv
- BIT-python-min-2026-3479osv
- PSF-2026-13osv
sources
Which sources assert this record, and when.
references (24)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2026-3479cnnvd
- https://github.com/python/cpython/commit/5af6ce3e7b643a30a02d22245c1e3f4a8bc0a1fecnnvd
- https://github.com/python/cpython/commit/bcdf231946b1da8bdfbab4c05539bb0cc964a1c7cnnvd
- https://github.com/python/cpython/commit/cf59bf76470f3d75ad47d80ffb8ce76b64b5e943cnnvd
- https://github.com/python/cpython/commit/d786d59a8f7196bb630100a869f28ad13436b59ccnnvd
- https://github.com/python/cpython/issues/146121cnnvd
- https://github.com/python/cpython/pull/146122cnnvd
- https://mail.python.org/archives/list/security-announce@python.org/thread/WYLLVQOOCKGK73JM7Z7ZSNOJC4N7BAWY/cnnvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan