Quick answers
- Is CVE-2026-123832 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-123832 being exploited in the wild.
- How severe is CVE-2026-123832?
- Critical severity, with a CVSS score of 9.6, published 6 November 2026.
- Which products and versions are affected?
- Jetbrains CLion before 2026.2.
- Is there a fix for CVE-2026-123832?
- Yes: fixed in CLion 2026.2. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-123832 attacked?
- It is attacked with local access, in a web application.
- Am I affected by CVE-2026-123832?
- Check whether you run Jetbrains CLion at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- Fixed in: CLion 2026.2
Technical details
Safe Mode in CLion is intended to restrict code execution during startup, but a vulnerability in the JSON compilation database parser allows an unauthenticated local attacker to execute arbitrary code by providing a malicious compilation database file. The vulnerability requires the user to open a project containing the malicious file. The issue is fixed in CLion 2026.2 and later.
Affected products
- JetBrains CLion before 2026.2
Timeline
- 2026-11-06: disclosed