Vulnerability · Published Oct 21, 2026 · Assigned by VulnCheck

CVE-2026-114109uv before 0.11.15 Arbitrary File Write via Entry Point Names

High 8.8

In plain English

A high-severity path traversal in uv from astral-sh. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)0.4%top 67.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Debian:14	uv	no fix listed	DEBIAN-CVE-2026-114109
PyPI	uv	0.11.15	GHSA-4gg8-gxpx-9rph
Ubuntu:26.10	uv	no fix listed	UBUNTU-CVE-2026-114109

Affected products (as reported)

Vendor	Product	Versions
astral-sh	uv	0 – before 0.11.15
astral-sh	uv	0 – before 0.11.15

Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

GitHub Security Advisory (GHSA-4gg8-gxpx-9rph) vendor-advisory
VulnCheck Advisory: uv before 0.11.15 Arbitrary File Write via Entry Point Names third-party-advisory