Arbitrary File Read via JetBrains IntelliJ IDEA Built-in Web Server (2026.1.1)
CVE-2026-41882 Published on April 30, 2026

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

NVD

Vulnerability Analysis

CVE-2026-41882 is exploitable with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
REQUIRED
Scope:
CHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
NONE
Availability Impact:
NONE

Weakness Type

What is an insecure temporary file Vulnerability?

The software attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

CVE-2026-41882 has been classified to as an insecure temporary file vulnerability or weakness.


Products Associated with CVE-2026-41882

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Affected Versions

JetBrains IntelliJ IDEA: