Code Execution Vulnerability in JetBrains CLion Affects Safe Mode Functionality
CVE-2026-123832

9.6CRITICAL

Key Information:

Vendor

Jetbrains

Status
Vendor
CVE Published:
6 November 2026

What is CVE-2026-123832?

A code execution vulnerability exists in JetBrains CLion prior to version 2026.2. This flaw allows malicious actors to execute arbitrary code while in Safe Mode by leveraging the JSON compilation database, potentially compromising the integrity and security of the development environment. Users are encouraged to update to the latest version to mitigate the risks associated with this vulnerability.

Affected Version(s)

CLion 0 < 2026.2

References

CVSS V3.1

Score:
9.6
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.