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 0.0003
EPSS Percentile 8.5%
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 (2)
python/python 3.15.0 alpha1
python/python < 3.9.0
Published Oct 31, 2025
Tracked Since Feb 18, 2026