---
id: CVE-2026-123278
title: >-
  In JetBrains IntelliJ IDEA before 2026.3 code execution was possible via the
  unauthenticated JDBC worker RMI endpoint
summary: >-
  In JetBrains IntelliJ IDEA before 2026.3 code execution was possible via the
  unauthenticated JDBC worker RMI endpoint
severity: medium
cvss: 6.7
cvssVector: 'CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-306
vendor: JetBrains
product: IntelliJ IDEA
affected:
  - intellij_idea < 2026.3
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-11-06T13:56:39.865070Z'
published: '2026-11-06'
updated: '2026-11-07'
sourceUpdated: '2026-11-07T04:55:15.727Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-123278'
references:
  - url: 'https://www.jetbrains.com/privacy-security/issues-fixed/'
tags:
  - cve.org
ingestedAt: '2026-11-06T10:49:35.377Z'
---

## Overview

In JetBrains IntelliJ IDEA before 2026.3 code execution was possible via the unauthenticated JDBC worker RMI endpoint

## Affected

- `intellij_idea < 2026.3`

## Remediation

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