Vulnerability · NVD

CVE-2026-7210

CVE-2026-7210, high severity (CVSS 7.5): 3 tracked apps concerned, all fixed or indeterminable on their current version.

Severity (CVSS): 7.5
Exploitation: 0.7 %
Tracked apps: 3
Still exposed: 0

Published on 2026-05-11

`xml.parsers.expat` and `xml.etree.ElementTree` use insufficient entropy for Expat hash-flooding protection, which allows a crafted XML document to trigger hash flooding.\r\n\r\nFully mitigating this vulnerability requires both updating libexpat to 2.8.0 or later and applying this patch.

Attack vector : Network No privileges required No user interaction

Show raw CVSS vector

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

EPSS 0.67% above median percentile 51.1%

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
Python 3.13 Windows winget:Python.Python.3.13

Affected <3.13.14 Fixed in 3.13.14 Latest tracked 3.13.15 patched

Observed affected builds (14)

3.13.13 3.13.12 3.13.11 3.13.10 3.13.9 3.13.8 3.13.7 3.13.6 3.13.5 3.13.4 3.13.3 3.13.2 3.13.1 3.13.0
Python 3.14 Windows winget:Python.Python.3.14

Affected ≥3.14.0 <3.14.6 Fixed in 3.14.6 Latest tracked 3.14.7 patched

Observed affected builds (6)

3.14.5 3.14.4 3.14.3 3.14.2 3.14.1 3.14.0

Vulnerable CPE configurations (11)

Vendor	Product	Platform	Versions	CPE 2.3 URI
python	python All platforms (wildcard)	All platforms (wildcard)	<3.13.14	cpe:2.3:a:python:python::::::::
python	python All platforms (wildcard)	All platforms (wildcard)	≥3.14.0 <3.14.6	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::::::

View on NVD ↗ Advisory · github.com

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