CVE-2026-112397: Pillow < 13.0.0

Affected technology

Pillow · < 13.0.0
python-pillow

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

An attacker can supply such an image to an application that applies a morphology operation. Vendor/CNA’s CVSS 4.0 assessment (base score 8.7/10) rates confidentiality and integrity impact as none; availability impact as high.