Vulnerability · NVD

CVE-2026-0864

MEDIUM 5.5 Published on 2026-06-23

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.

Attack vector : Local No user interaction

Show raw CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

EPSS 0.14% exploit very unlikely percentile 3.7%

Tracked apps referencing this CVE

For each app: the affected range, the fixing version, and where the tracked app stands today.

Python 3.12 Windows winget:Python.Python.3.12

Affected — Fixed in — Latest tracked 3.12.10 undetermined

Vulnerable CPE configurations (16)

Vendor	Product	Platform	Versions	CPE 2.3 URI
python	python All platforms (wildcard)	All platforms (wildcard)	<3.10.21	cpe:2.3:a:python:python::::::::
python	python All platforms (wildcard)	All platforms (wildcard)	≥3.11.0 <3.11.16	cpe:2.3:a:python:python::::::::
python	python All platforms (wildcard)	All platforms (wildcard)	≥3.12.0 <3.12.14	cpe:2.3:a:python:python::::::::
python	python All platforms (wildcard)	All platforms (wildcard)	≥3.13.0 <3.13.15	cpe:2.3:a:python:python::::::::
python	python All platforms (wildcard)	All platforms (wildcard)	≥3.14.0 <3.14.7	cpe:2.3:a:python:python::::::::
python	python All platforms (wildcard)	All platforms (wildcard)	—	cpe:2.3:a:python:python:3.15.0:alpha1::::::
python	python All platforms (wildcard)	All platforms (wildcard)	—	cpe:2.3:a:python:python:3.15.0:alpha2::::::
python	python All platforms (wildcard)	All platforms (wildcard)	—	cpe:2.3:a:python:python:3.15.0:alpha3::::::
python	python All platforms (wildcard)	All platforms (wildcard)	—	cpe:2.3:a:python:python:3.15.0:alpha4::::::
python	python All platforms (wildcard)	All platforms (wildcard)	—	cpe:2.3:a:python:python:3.15.0:alpha5::::::
python	python All platforms (wildcard)	All platforms (wildcard)	—	cpe:2.3:a:python:python:3.15.0:alpha6::::::
python	python All platforms (wildcard)	All platforms (wildcard)	—	cpe:2.3:a:python:python:3.15.0:alpha7::::::
python	python All platforms (wildcard)	All platforms (wildcard)	—	cpe:2.3:a:python:python:3.15.0:alpha8::::::
python	python All platforms (wildcard)	All platforms (wildcard)	—	cpe:2.3:a:python:python:3.15.0:beta1::::::
python	python All platforms (wildcard)	All platforms (wildcard)	—	cpe:2.3:a:python:python:3.15.0:beta2::::::
python	python All platforms (wildcard)	All platforms (wildcard)	—	cpe:2.3:a:python:python:3.15.0:beta3::::::

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