Path Traversal Vulnerability in Setuptools Affects Python Package Management
CVE-2025-47273

7.7HIGH

Key Information:

Vendor

Pypa

Status
Setuptools
Vendor
CVE Published:
17 May 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-47273?

A path traversal flaw in setuptools prior to version 78.1.1 allows attackers to write files to arbitrary locations on the filesystem by exploiting the vulnerabilities in the PackageIndex component. This issue could lead to significant security risks, including the potential for remote code execution, depending on how the affected package is implemented in the environment. Users are advised to update to version 78.1.1 or newer to mitigate this risk.

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Affected Version(s)

setuptools < 78.1.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-47273-PoC
Created by ahmedreda38

CVE-2025-47273-POC
Created by AliElKhatteb

References

https://github.com/pypa/setuptools/security/advisories/GH...
x_refsource_CONFIRM
https://github.com/pypa/setuptools/issues/4946
x_refsource_MISC
https://github.com/pypa/setuptools/commit/250a6d17978f9f6...
x_refsource_MISC

CVSS V4

Score:
7.7
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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