CVE-2026-73235 FreeCAD: XXE file read and SSRF via external entity injection in Document.xml SAX parser
- Exploited in the wild
- Not known
- Fix
- Available
What is CVE-2026-73235?
CVE-2026-73235 is a medium-severity vulnerability in FreeCAD, published on 11 Aug 2026.
Official description
FreeCAD is a free and open-source multiplatform 3D parametric modeler. Prior to 1.1.2, the Xerces SAX2 XMLReader constructed in src/Base/Reader.cpp by Base::XMLReader::XMLReader() parses attacker-controlled Document.xml from a crafted .FCStd archive without disabling default external entity resolution or external DTD loading. When Document::restore() opens the document, external entities can read local files through the file URI scheme or initiate server-side requests through the http URI scheme, and resolved content can flow through the characters() callback. This issue is fixed in version 1.1.2.
Weakness: CWE-611
Which versions are affected by CVE-2026-73235?
How do I fix CVE-2026-73235?
Upgrade to a fixed version.
Is CVE-2026-73235 being exploited?
There is no known exploitation of CVE-2026-73235 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2026-73235, GHSA-cp6c-87x9-xf49, UBUNTU-CVE-2026-73235.