Low severityNVD Advisory· Published Apr 24, 2026· Updated Apr 27, 2026

CVE-2026-41140

Description

Poetry is a dependency manager for Python. Prior to 2.3.4, the extractall() function in src/poetry/utils/helpers.py:410-426 extracts sdist tarballs without path traversal protection on Python versions where tarfile.data_filter is unavailable. Considering only Python versions which are still supported by Poetry, these are 3.10.0 - 3.10.12 and 3.11.0 - 3.11.4. This vulnerability is fixed in 2.3.4.

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Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
poetryPyPI	< 2.3.4	2.3.4

Affected products

ghsa-coords
pkg:pypi/poetry
Range: < 2.3.4

Patches

Vulnerability mechanics

References

github.com/advisories/GHSA-73h3-mf4w-8647ghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2026-41140ghsaADVISORY
github.com/python-poetry/poetry/releases/tag/2.3.4ghsaWEB
github.com/python-poetry/poetry/security/advisories/GHSA-73h3-mf4w-8647nvdWEB

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