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

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-21 · updated 2026-10-28
Weakness: CWE-22

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 products

astral-sh uv: before 0.11.15 — fixed in 0.11.15

How to fix

Upgrade to a fixed version: astral-sh uv 0.11.15. Check the vendor advisory for mitigations.

References

https://github.com/astral-sh/uv/security/advisories/GHSA-4gg8-gxpx-9rph
https://www.vulncheck.com/advisories/uv-before-0.11.15-arbitrary-file-write-via-entry-point-names

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