Command injection in IntelliJ IDEA - CVE-2026-49366
Published: August 17, 2026
Vulnerability identifier: #VU143808
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-49366
CWE-ID: CWE-77
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to execute arbitrary commands.
The vulnerability exists due to command injection in filename completion when processing a crafted filename. A local user can supply a specially crafted filename to execute arbitrary commands.
Affected software
IntelliJ IDEA
How to mitigate CVE-2026-49366
Install security update from vendor's website.
IntelliJ IDEA - update to 2026.1.1