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

Quick assessment

Affected
astral-sh uv
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

uv 0.11.15 之前的版本存在路径遍历漏洞,攻击者可利用精心构造的 或 入口点名称,使恶意的 wheel 包将文件写入 scripts 目录之外。若诱使用户安装此类恶意 wheel,攻击者即可将可执行文件放置于 PATH 目录中,从而遮蔽或覆盖现有二进制文件,实现代码执行。

CVSS 8.8 · High

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-114109

Vulnerability Information

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Vulnerability Title
uv before 0.11.15 Arbitrary File Write via Entry Point Names
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
astral-sh uv 0 ~ 0.11.15 -
astral-sh uv 0 ~ 0.11.15 -

II. Public POCs for CVE-2026-114109

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III. Intelligence Information for CVE-2026-114109

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Other References for CVE-2026-114109 (2)

Same Patch Batch · astral-sh · 2026-10-21 · 3 CVEs total

CVE-2025-71437 6.5 MEDIUM Astral uv through 0.8.21 Path Traversal via Symlinks in Sdist Tar Extraction
CVE-2026-114110 5.3 MEDIUM Astral uv before 0.11.6 Arbitrary File Deletion via Wheel RECORD Entries

IV. Related Vulnerabilities

V. Comments for CVE-2026-114109

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