CVE-2026-100256
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Remote Code Execution in JetBrains IntelliJ IDEA

Publication date: 2026-09-30

Last updated on: 2026-09-30

Assigner: JetBrains s.r.o.

Description
In JetBrains IntelliJ IDEA before 2026.2.3 rCE via Structural Search script constraints was possible in untrusted projects

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Meta Information

Published
2026-09-30
Last Modified
2026-09-30
Generated
2026-09-30
AI Q&A
2026-09-30
EPSS Evaluated
N/A
NVD
CVE-2026-100256
EUVD
EUVD-2026-90000

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
jetbrains intellij_idea to 2026.2.3 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-829 The product imports, requires, or includes executable functionality (such as a library) from a source that is outside of the intended control sphere.

Attack-Flow Graph

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Executive Summary

This vulnerability in JetBrains IntelliJ IDEA before 2026.2.3 allows Structural Search script constraints to be executed in untrusted projects. This means an attacker could potentially inject malicious scripts that run with the privileges of the IDE, leading to unauthorized code execution or system compromise.

Impact Analysis

If exploited, this vulnerability could allow an attacker to execute arbitrary code on your system, steal sensitive data, or perform actions within the IDE with your permissions. It primarily affects users who open untrusted projects in vulnerable versions of IntelliJ IDEA.

Mitigation Strategies

Update JetBrains IntelliJ IDEA to version 2026.2.3 or later to address the vulnerability in untrusted projects.

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