---
id: CVE-2026-100256
title: >-
  In JetBrains IntelliJ IDEA before 2026.2.3 rCE via Structural Search script
  constraints was possible in untrusted projects
summary: >-
  In JetBrains IntelliJ IDEA before 2026.2.3 rCE via Structural Search script
  constraints was possible in untrusted projects
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'
cwe:
  - CWE-829
vendor: jetbrains
product: intellij_idea
affected:
  - intellij_idea < 2026.2.3
patched:
  - intellij_idea 2026.2.3
published: '2026-09-30'
updated: '2026-10-02'
sourceUpdated: '2026-10-02T20:44:16.227'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-100256'
references:
  - url: 'https://www.jetbrains.com/privacy-security/issues-fixed/'
    label: cve@jetbrains.com
tags:
  - nvd
  - cve.org
epss: 0.00133
epssPercentile: 0.0284
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-30T15:35:50.531041Z'
ingestedAt: '2026-09-30T16:10:07.691Z'
---

## Overview

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

## Affected

- `intellij_idea < 2026.2.3`

## Remediation

Upgrade past the affected range:

- `intellij_idea 2026.2.3`