Path Traversal in Astral-Sh Uv
CVE-2026-114109
uv before 0.11.15 contains a path traversal vulnerability that allows malicious wheels to write files outside the scripts directory via crafted console_scripts or gui_scripts entry point names. Attackers who induce users to install a malicious wheel can place executables in PATH directories, shadowing or overwriting existing binaries for code execution.
Vulnerability class: Path Traversal (Directory Traversal)
Published .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/astral-sh/uv/security/advisories/GHSA-4gg8-gxpx-9rph (vendor-advisory)
- www.vulncheck.com/advisories/uv-before-0.11.15-arbitrary-file-write-via-entry-p… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-114109?
- CVE-2026-114109 is a high-severity vulnerability in Astral-Sh Uv, classified under Path Traversal. CVSS score: 8.8/10. Published 2026-10-21.
- How severe is CVE-2026-114109?
- High severity. CVSS v3 base score is 8.8 out of 10.