CVE-2026-3479
EPSS 0.02%pkgutil.get_data() does not enforce documented restrictions
Published: 3/18/2026Modified: 4/28/2026
Description
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.
Affected packages (8)
- Bitnami/pythonfrom 0, < 3.15.0
- Bitnami/python-minfrom 0, < 3.15.0
- Debian/pypy3from 0
- Debian/python2.7from 0
- Debian/python3.11from 0
- Debian/python3.13from 0
- Debian/python3.14from 0
- Debian/python3.9from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
References (6)
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2026-3479
- WEBhttps://github.com/python/cpython/commit/bcdf231946b1da8bdfbab4c05539bb0cc964a1c7
- WEBhttps://github.com/python/cpython/issues/146121
- WEBhttps://github.com/python/cpython/pull/146122
- WEBhttps://mail.python.org/archives/list/[email protected]/thread/WYLLVQOOCKGK73JM7Z7ZSNOJC4N7BAWY/
- WEBhttps://nvd.nist.gov/vuln/detail/CVE-2026-3479