by Kastro
Paper/Archive/CVE-2026-123831

CVE-2026-123831

JetBrains CLion — In JetBrains CLion before 2026.2, 2026.1.4 code execution was possible in Safe Mode via Meson project settings

CVSS 9.6
critical.is priorityof 100
29
CVSS 9.6 (CNA)9.6 / 10 × 3028.8Not in CISA KEV+300.0No EPSS score.000 × 200.0No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

In JetBrains CLion before 2026.2, 2026.1.4 code execution was possible in Safe Mode via Meson project settings

Affected

ProductAffectedFixed inSource
CLion< 2026.2, 2026.1.42026.2, 2026.1.4CNA

Scores by source

JetBrains (CNA)9.6CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refjetbrains.com/privacy-security/issues-fixed