Path Traversal in Python-poetry Poetry
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 Po…
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.005 (37.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.
Affected products
- Python-poetry Poetry — versions >= 1.4.0, < 2.3.3
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (Product, x_refsource_MISC, Release Notes)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-34591?
- CVE-2026-34591 is a medium-severity vulnerability in Python-poetry Poetry, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-04-02.
- How severe is CVE-2026-34591?
- Medium severity. CVSS v3 base score is 6.5 out of 10.