CVE-2025-71437— Astral uv through 0.8.21 Path Traversal via Symlinks in Sdist Tar Extraction
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.
Astral uv 0.8.22 之前的版本在源分发（sdist）tar 包解压过程中存在路径遍历漏洞。该漏洞允许攻击者通过精心构造的符号链接序列，将文件写入重定向至预期解压前缀之外。攻击者可发布恶意的 sdist 包，当受害者安装该包时，即可在系统安装目录之外的任意文件系统位置写入任意文件。
Possible ATT&CK Techniques 1 AI
T1587.001 · Malware
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2025-71437
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Astral uv through 0.8.21 Path Traversal via Symlinks in Sdist Tar Extraction
Source: CVE Program / CVE List V5
Vulnerability Description
Astral uv before 0.8.22 contains a path traversal vulnerability in source distribution (sdist) tar extraction that allows a specially crafted sequence of symlinks to redirect file writes outside the intended extraction prefix. Attackers can publish a malicious sdist that, when installed by a victim, writes arbitrary files to filesystem locations outside the installation prefix.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
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
II. Public POCs for CVE-2025-71437
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2025-71437
请登录查看更多情报信息。
Other References for CVE-2025-71437 (2)
Same Patch Batch · astral-sh · 2026-10-21 · 3 CVEs total
| CVE-2026-114109 | 8.8 HIGH | uv before 0.11.15 Arbitrary File Write via Entry Point Names |
| CVE-2026-114110 | 5.3 MEDIUM | Astral uv before 0.11.6 Arbitrary File Deletion via Wheel RECORD Entries |
IV. Related Vulnerabilities
Same product: uv
-
CVE-2026-114110
Astral uv before 0.11.6 Arbitrary File Deletion via Wheel RE -
CVE-2026-114109
uv before 0.11.15 Arbitrary File Write via Entry Point Names -
CVE-2026-104843
uv: Path traversal on Windows through wheel extraction -
CVE-2025-13327
Uv: uv: specially crafted zip archives lead to arbitrary cod -
CVE-2025-54368
uv is vulnerable to ZIP payload obfuscation through parsing
Same vendor: astral-sh
-
CVE-2026-114110
Astral uv before 0.11.6 Arbitrary File Deletion via Wheel RE -
CVE-2026-114109
uv before 0.11.15 Arbitrary File Write via Entry Point Names -
CVE-2026-104843
uv: Path traversal on Windows through wheel extraction -
CVE-2026-32766
astral-tokio-tar insufficiently validates PAX extensions dur -
CVE-2025-13327
Uv: uv: specially crafted zip archives lead to arbitrary cod
Same weakness: CWE-22
-
CVE-2026-114040
DT42 BerryNet Model Package Metadata dlmodelmgr.py DLModelMa -
CVE-2026-113743
Tenstorrent tt-metal load_checkpoints.py load_hf_state_dict_ -
CVE-2026-114109
uv before 0.11.15 Arbitrary File Write via Entry Point Names -
CVE-2026-114106
HKUDS Vibe-Trading 0.1.0 before 0.1.7 Path Traversal via rea -
CVE-2026-114098
Dulwich 0.22.5 before 1.2.8 Path Traversal via Stash Pop Sym
V. Comments for CVE-2025-71437
No comments yet