Missing Authorization in IntelliJ IDEA - CVE-2026-49367
Published: August 17, 2026
Vulnerability identifier: #VU143809
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-49367
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary commands.
The vulnerability exists due to improper authorization in the guest user account when accessing the application. A remote user can use the guest user account to execute arbitrary commands.
Affected software
IntelliJ IDEA
How to mitigate CVE-2026-49367
Install security update from vendor's website.
IntelliJ IDEA - update to 2026.1.1