---
id: CVE-2026-123853
title: >-
  In JetBrains IntelliJ IDEA before 2026.3, 

  2026.2.2 code execution was possible in Safe Mode via project-controlled JVM
  options of the build process
summary: >-
  In JetBrains IntelliJ IDEA before 2026.3, 

  2026.2.2 code execution was possible in Safe Mode via project-controlled JVM
  options of the build process
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'
cvssSource: cna
cwe:
  - CWE-829
vendor: JetBrains
product: IntelliJ IDEA
affected:
  - |-
    intellij_idea < 2026.3, 
    2026.2.2
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-11-06T16:41:09.926595Z'
published: '2026-11-06'
updated: '2026-11-06'
sourceUpdated: '2026-11-06T16:46:44.292Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-123853'
references:
  - url: 'https://www.jetbrains.com/privacy-security/issues-fixed/'
tags:
  - cve.org
ingestedAt: '2026-11-06T16:57:43.129Z'
---

## Overview

In JetBrains IntelliJ IDEA before 2026.3, 
2026.2.2 code execution was possible in Safe Mode via project-controlled JVM options of the build process

## Affected

- `intellij_idea < 2026.3, 
2026.2.2`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.