CVE-2026-10037— Sandbox Escape in Ubuntu OpenJDK Packages via xdg-desktop-portal
Possible ATT&CK Techniques 2AI
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I. Basic Information for CVE-2026-10037
Vulnerability Information
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Vulnerability Title
Sandbox Escape in Ubuntu OpenJDK Packages via xdg-desktop-portal
Source: CVE Program / CVE List V5
Vulnerability Description
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 / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Canonical Ubuntu Linux 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Canonical Ubuntu Linux是英国Canonical公司开源的一套Linux操作系统。 Canonical Ubuntu Linux存在输入验证错误漏洞，该漏洞源于输入验证错误，可能导致恶意沙盒应用通过xdg-desktop-portal-gtk访问OpenURI门户，写入恶意.jar文件并设置可执行权限，从而在沙盒外部执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-10037
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Other References for CVE-2026-10037 (1)
IV. Related Vulnerabilities
Same vendor: Canonical
- CVE-2026-12391
ubuntu-pro-client Local Privilege Escalation and Information - CVE-2026-11386
ubuntu-pro-client Input Validation Vulnerability Leading to - CVE-2026-9494
ubuntu-pro-client Information Disclosure via Cleartext Beare - CVE-2026-28385
SSRF via image import from URL allows internal network probi - CVE-2026-9640
LXD Snapshot Import Privilege Escalation Vulnerability
Same weakness: CWE-20
- CVE-2026-46452
Apache NimBLE: Mesh Proxy SAR reassembly unbounded append an - CVE-2026-54120
Microsoft Surface Remote Code Execution Vulnerability - CVE-2026-65604
Skipper Incomplete Fix for CVE-2026-50197 Policy Bypass - CVE-2026-47668
DbGate: Unauthenticated Remote Code Execution via JSON Scrip - CVE-2026-16723
Remote Code Execution in fastjson 1.2.68–1.2.83
V. Comments for CVE-2026-10037
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