Inclusion of Functionality from Untrusted Control Sphere in IntelliJ IDEA - CVE-2026-64811
Published: August 17, 2026
Vulnerability identifier: #VU143852
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-64811
CWE-ID: CWE-829
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to inclusion of functionality from untrusted control sphere in development container configuration when processing a project before trust is granted. A remote attacker can supply a specially crafted development container configuration to execute arbitrary code.
User interaction is required to open a project containing the crafted configuration.
Affected software
IntelliJ IDEA
How to mitigate CVE-2026-64811
Install security update from vendor's website.
IntelliJ IDEA - update to 2026.2