Link following in IntelliJ IDEA - CVE-2026-41882

 

Link following in IntelliJ IDEA - CVE-2026-41882

Published: May 5, 2026


Vulnerability identifier: #VU129686
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-41882
CWE-ID: CWE-59
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: JetBrains s.r.o.
Affected software:
IntelliJ IDEA

Detailed vulnerability description

The vulnerability allows a remote user to disclose arbitrary local files.

The vulnerability exists due to improper link resolution in built-in web server when handling requests. A remote user can send a specially crafted request to disclose arbitrary local files.


How to mitigate CVE-2026-41882

Install security update from vendor's website.

Sources