Critical Flaw in Python’s Popular Pillow Image Library Allows Code Execution via a Crafted Image

Reported by The Hacker News ([email protected] (The Hacker News))

Summary by Cyber Security News23 Oct 2026, 11:36 CET

About this summary. This is a short excerpt from the description that The Hacker News published with its article. Cyber Security News did not report or verify the underlying story. Read the original: https://thehackernews.com/2026/10/critical-flaw-in-pythons-popular-pillow.html

Pillow, the most widely used image library for Python, can be made to run operating system commands on a server by specifying the name of a file it is told to open. The flaw, CVE-2026-112900, is in the way Pillow handles EPS images, which it opens by passing the file's name to Ghostscript, a separate program it runs to turn the image into pixels, without checking the name first.

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