Critical (9.8) in diffy project diffy. EPSS 1.8% chance of exploitation in the next 30 days. Fixed in diffy 3.4.1.
The function that calls the diff tool in Diffy 3.4.1 does not properly handle double quotes in a filename when run in a windows environment. This allows attackers to execute arbitrary commands via a crafted string.
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
1.8% chance of exploitation in the next 30 days; higher than 78% of CVEs (scores of 2026-10-31)