---
id: CVE-2026-123314
title: |-
  In JetBrains IntelliJ IDEA before 2026.3, 
  2026.2.4 xXE attack was possible via an XML response to an HTTP Client request
summary: |-
  In JetBrains IntelliJ IDEA before 2026.3, 
  2026.2.4 xXE attack was possible via an XML response to an HTTP Client request
severity: low
cvss: 3.1
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N'
cvssSource: cna
cwe:
  - CWE-611
vendor: JetBrains
product: IntelliJ IDEA
affected:
  - |-
    intellij_idea < 2026.3, 
    2026.2.4
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-06T14:33:15.935937Z'
published: '2026-11-06'
updated: '2026-11-06'
sourceUpdated: '2026-11-06T14:39:47.779Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-123314'
references:
  - url: 'https://www.jetbrains.com/privacy-security/issues-fixed/'
tags:
  - cve.org
ingestedAt: '2026-11-06T10:49:35.352Z'
---

## Overview

In JetBrains IntelliJ IDEA before 2026.3, 
2026.2.4 xXE attack was possible via an XML response to an HTTP Client request

## Affected

- `intellij_idea < 2026.3, 
2026.2.4`

## Remediation

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