CVE-2026-41882 Path traversal in IntelliJ IDEA

High 7.4 Published 30 Apr 2026 Updated 30 Apr 2026

Attackers can read arbitrary local files via the built-in web server in IntelliJ IDEA, exposing sensitive local data.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-41882?

CVE-2026-41882 is a high-severity path traversal vulnerability in Jetbrains Intellij Idea, published on 30 Apr 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

In JetBrains IntelliJ IDEA before 2024.3.7.1, 2025.1.7.1, 2025.2.6.2, 2025.3.4.1, 2026.1.1 reading arbitrary local files was possible via built-in web server

Weakness: CWE-59

Which versions are affected by CVE-2026-41882?

It affects 1 product.

Products include Jetbrains Intellij Idea.

How do I fix CVE-2026-41882?

No fix has been published for CVE-2026-41882 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-41882 being exploited?

There is no known exploitation of CVE-2026-41882 in the wild and no public exploit code.

All Jetbrains Intellij Idea vulnerabilities

Sources

Also known as GHSA-c366-5342-rpxc.