#VU118203 Improper Check for Unusual or Exceptional Conditions in pip - CVE-2025-8869

Vulnerability identifier: #VU118203

Vulnerability risk: Medium

CVSSv4.0: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-8869

CWE-ID: CWE-754

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
pip
Universal components / Libraries / Programming Languages & Components

Vendor: Python Packaging Authority

Description

The vulnerability allows a remote attacker to modify data on the system.

The vulnerability exists due to improper error handling. A remote attacker can trick the victim into opening a specially crafted data and modify data on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

pip: before 25.3

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External links
https://github.com/pypa/pip/pull/13550
https://mail.python.org/archives/list/security-announce@python.org/thread/IF5A3GCJY3VH7BVHJKOWOJFKTW7VFQEN/
https://lists.debian.org/debian-lts-announce/2025/10/msg00028.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.