CPython pkgutil.get_data Path Traversal (before 3.15.0)
CVE-2026-3479 Published on March 18, 2026
pkgutil.get_data() does not enforce documented restrictions
pkgutil.get_data() did not validate the resource argument as documented, allowing path traversals.
Weakness Type
What is a Directory traversal Vulnerability?
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
CVE-2026-3479 has been classified to as a Directory traversal vulnerability or weakness.
Products Associated with CVE-2026-3479
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Affected Versions
Python Software Foundation CPython:- Before 3.15.0 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.