Detections
Analytics

JetBrains IntelliJ IDEA < 2026.2.3 Remote Code Execution (CVE-2026-100256)

high Nessus Plugin ID 362589

Synopsis

The integrated development environment installed on the remote host is affected by a remote code execution vulnerability.

Description

The version of JetBrains IntelliJ IDEA installed on the remote host is prior to 2026.2.3. It is, therefore, affected by a remote code execution vulnerability:

 - In JetBrains IntelliJ IDEA before 2026.2.3 RCE via Structural Search script constraints was possible in untrusted projects. (CVE-2026-100256)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to JetBrains IntelliJ IDEA version 2026.2.3 or later.

See Also

https://www.jetbrains.com/privacy-security/issues-fixed/

Plugin Details

Severity: High

ID: 362589

File Name: jetbrains_intellij_idea_CVE-2026-100256.nasl

Version: 1.1

Type: Local

Agent: windows, macosx, unix

Family: Misc.

Published: 10/2/2026

Updated: 10/2/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.35

CVSS v2

Risk Factor: High

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-100256

CVSS v3

Risk Factor: High

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Vulnerability Information

CPE: cpe:/a:jetbrains:intellij_idea

Required KB Items: installed_sw/JetBrains IntelliJ IDEA

Patch Publication Date: 9/30/2026

Vulnerability Publication Date: 9/30/2026

Reference Information

CVE: CVE-2026-100256

IAVA: 2026-A-1063