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From PDF file uploads to server hijacking: An in-depth analysis of the Ghostscript vulnerability CVE-2026-39919
Introduction to Ghostscript If you are running a WordPress website, a content management system (CMS) or an online application portal, chances are your server is running Ghostscript every day without
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Abhinav Sharma
Founder of Impact Gate. See who breaks before you change an API.
The -dSAFER finding is the uncomfortable part, since that flag is the mitigation most upload pipelines reach for first. Ghostscript sitting as a hidden dependency behind every innocent PDF preview feature is exactly why this class of bug keeps resurfacing.