CVE-2026-34591Poetry is a dependency manager for Python.
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 6.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- Weakness (CWE)
- CWE-22
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jul 24, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
python-poetry poetry python-poetry:poetry | from 1.4.0 before 2.3.3 | NVD |
References
- http://github.com/python-poetry/poetry/commit/ed59537ac3709cfbdbf95d957de801c13872991apatch
- https://github.com/python-poetry/poetry/pull/10792issue-tracking, patch
- https://github.com/python-poetry/poetry/releases/tag/2.3.3product, release-notes
- https://github.com/python-poetry/poetry/security/advisories/GHSA-2599-h6xx-hpxpexploit, vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.