Critical (9.8). EPSS 5.2% chance of exploitation in the next 30 days.
An XML External Entity (XXE) issue was discovered in Python through 3.9.1. The plistlib module no longer accepts entity declarations in XML plist files to avoid XML vulnerabilities.
Severity
CVSS 3.1
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
5.2% chance of exploitation in the next 30 days; higher than 92% of CVEs (scores of 2026-10-31)