CVE-2026-0864

MEDIUM EPSS 2.8%
Published Jun 23, 20261w ago · Modified Jun 24, 20266d ago
4.1 CVSS 4.0
Medium
Find Similar
Published Jun 23, 2026 1w ago
Last Modified Jun 24, 2026 6d ago

Description

When using the "configparser" module to write configuration files containing multi-line text values with carriage return characters (\r) the resulting file could be injected with unexpected keys and values if the attacker controls the written value.

CVSS Details

Base Score
4.1
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Local
Attack Complexity Low
Privileges Required High
User Interaction P
Scope X

Threat Intelligence

EPSS Exploit Probability
2.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-74

References 7

  • github.com https://github.com/python/cpython/commit/0adb386f6e68eb2e73d32e19f235d012df009528
  • github.com https://github.com/python/cpython/commit/5858e42c539dac8394636a6e9b30472b8994851f
  • github.com https://github.com/python/cpython/commit/71f2e02a52d47417a6fd69f456346cd8aa7aca98
  • github.com https://github.com/python/cpython/commit/aaf850fd333cd89e9aada03d92aaa788a6cb1bb8
  • github.com https://github.com/python/cpython/issues/143927
  • github.com https://github.com/python/cpython/pull/151559
  • mail.python.org https://mail.python.org/archives/list/security-announce@python.org/thread/CV4NE6AFCRJL7XQOHX7J5TSDHUWVWGJS/

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.