CVE-2026-34591

Poetry is a dependency manager for Python. From version 1.4.0 to before version 2.3.3, a crafted wheel can contain ../ paths that Poetry writes to disk without containment checks, allowing arbitrary file write with the privileges of the Poetry process. It is reachable from untrusted package artifacts during normal install flows. (Normally, installing a malicious wheel is not sufficient for execution of malicious code. Malicious code will only be executed after installation if the malicious package is imported or invoked by the user.). This issue has been patched in version 2.3.3.

The following products are affected by CVE-2026-34591 vulnerability.

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Here, you will find a curated list of external links that provide in-depth information to CVE-2026-34591.

URL	Resource
http://github.com/python-poetry/poetry/commit/ed59537ac3709cfbdbf95d957de801c13872991a
https://github.com/python-poetry/poetry/pull/10792
https://github.com/python-poetry/poetry/releases/tag/2.3.3
https://github.com/python-poetry/poetry/security/advisories/GHSA-2599-h6xx-hpxp