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CVE-2026-41140

Poetry: Path traversal in tar extraction on Python 3.10.0 - 3.10.12 and 3.11.0 - 3.11.4

Published: Apr 24, 2026Updated: Apr 27, 2026 Sources: CVE List NVD BDUCWE-22
NVD MITRE
5.3CVSSMEDIUM
EPSS Score
0.3%
Top 75.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LC:NI:LA:N
Exploitability
AV:NAccess Vector
Network
AC:LAccess Complexity
Low
Impact
C:NConfidentiality
None
I:LIntegrity
L
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-22

Affected Products

poetrypython-poetry
Library
DevTools & CI / artifact-registry
РЕД ОСООО «Ред Софт»
On-premOS
Operating Systems / linux-distro
UbuntuCanonical Ltd.
On-premOS
Operating Systems / linux-distro
PythonPython Software FoundationOSS Libraries
Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
python-poetryoss-projectDevTools & CIaka poetry, cleo
ооо «ред софт»commercialRUOperating Systemsaka red soft
canonical ltd.commercialGBOperating Systemsaka canonical
python software foundationoss-projectUSOSS Librariesaka python software foundation, psf
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
and 1 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Collection
Discovery
View detailed technique mapping

References

https://github.com/python-poetry/poetry/security/advisories/GHSA-73h3-mf4w-8647
github.com
https://github.com/advisories/GHSA-73h3-mf4w-8647
github.com
https://github.com/python-poetry/poetry
github.com
and 5 more references View all →

Timeline

Published
Apr 24, 2026
Last Updated
Apr 27, 2026

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