Code Execution via Template Injection in JetBrains IntelliJ IDEA Copyright Plugin

Publication date: 2026-05-29

Last updated on: 2026-06-01

Assigner: JetBrains s.r.o.

Description

In JetBrains IntelliJ IDEA before 2026.1 code execution was possible via template injection in the Copyright plugin

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-05-29

Last Modified

2026-06-01

Generated

2026-07-09

AI Q&A

2026-05-29

EPSS Evaluated

2026-07-08

NVD

CVE-2026-49382

EUVD

EUVD-2026-33390

Affected Vendors & Products

Vendor	Product	Version / Range
jetbrains	intellij_idea	to 2026.1 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-1336	The product uses a template engine to insert or process externally-influenced input, but it does not neutralize or incorrectly neutralizes special elements or syntax that can be interpreted as template expressions or other code directives when processed by the engine.

Attack-Flow Graph

Executive Summary

This vulnerability exists in JetBrains IntelliJ IDEA versions before 2026.1. It allows code execution through template injection in the Copyright plugin.

Impact Analysis

An attacker could exploit this vulnerability to execute arbitrary code on the affected system, potentially leading to unauthorized actions or compromise of the system.

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