CVE-2026-10037 — Sandbox Escape in Ubuntu OpenJDK Packages via xdg-desktop-portal
A sandbox escape vulnerability exists in the OpenJDK packages provided in Ubuntu. The .jar MIME handlers installed by these packages execute files marked as executable when the …
Published: 2026-07-08 · CVSS: 8.8 · CVSS 3.1
A sandbox escape vulnerability exists in the OpenJDK packages provided in Ubuntu. The .jar MIME handlers installed by these packages execute files marked as executable when the mailcap package is installed. A compromised or malicious sandboxed application with access to the OpenURI portal via xdg-desktop-portal-gtk can write a malicious .jar file to the host file system, set its executable bit, and trigger the handler to execute arbitrary code outside of the sandbox environment.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7