Improper Neutralization of Special Elements Used in a Template Engine in IntelliJ IDEA - CVE-2026-49382
Published: August 17, 2026
Vulnerability identifier: #VU143810
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-2026-49382
CWE-ID: CWE-1336
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary code.
The vulnerability exists due to template injection in the Copyright plugin when processing crafted templates. A remote user can inject malicious template content to execute arbitrary code.
Affected software
IntelliJ IDEA
How to mitigate CVE-2026-49382
Install security update from vendor's website.
IntelliJ IDEA - update to 2026.1