---
id: CVE-2026-123276
title: >-
  In JetBrains CLion before 2026.3, 

  2026.2.4.1 code execution was possible in Safe Mode via a crafted GDB server
  debug profile
summary: >-
  In JetBrains CLion before 2026.3, 

  2026.2.4.1 code execution was possible in Safe Mode via a crafted GDB server
  debug profile
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: CLion
affected:
  - |-
    CLion < 2026.3, 
    2026.2.4.1
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-11-06T13:53:54.782863Z'
published: '2026-11-06'
updated: '2026-11-06'
sourceUpdated: '2026-11-06T14:45:09.834Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-123276'
references:
  - url: 'https://www.jetbrains.com/privacy-security/issues-fixed/'
tags:
  - cve.org
ingestedAt: '2026-11-06T10:49:35.381Z'
---

## Overview

In JetBrains CLion before 2026.3, 
2026.2.4.1 code execution was possible in Safe Mode via a crafted GDB server debug profile

## Affected

- `CLion < 2026.3, 
2026.2.4.1`

## Remediation

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