CVE-2025-6075

MEDIUM

os.path.expandvars - Info Disclosure

Title source: llm
STIX 2.1

Description

If the value passed to os.path.expandvars() is user-controlled a performance degradation is possible when expanding environment variables.

References (9)

Core 9
Core References
Issue Tracking, Vendor Advisory issue-tracking
https://github.com/python/cpython/issues/136065

Scores

CVSS v3 5.5
EPSS 0.0014
EPSS Percentile 3.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-400
Status published
Products (9)
python/python 3.15.0 alpha1
python/python < 3.9.0
Python Software Foundation/CPython < 3.9.25
Python Software Foundation/CPython 3.10.0 - 3.10.20
Python Software Foundation/CPython 3.11.0 - 3.11.15
Python Software Foundation/CPython 3.12.0 - 3.12.13
Python Software Foundation/CPython 3.13.0 - 3.13.10
Python Software Foundation/CPython 3.14.0 - 3.14.1
Python Software Foundation/CPython 3.15.0a1 - 3.15.0a2
Published Oct 31, 2025
Tracked Since Feb 18, 2026