CVE-2026-123277Medium· 5.0▾ SunlitIn JetBrains CLion before 2026.3, 2026.2.4.1 missing authentication allowed local users to obtain the debug session environment on Linux
▾ Sunlit zone — Low / medium · no exploitation signal
impact 27.5 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
In JetBrains CLion before 2026.3, 2026.2.4.1 missing authentication allowed local users to obtain the debug session environment on Linux
CLion < 2026.3, 2026.2.4.1Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-123831Critical· 9.6In JetBrains CLion before 2026.2, 2026.1.4 code execution was possible in Safe Mode via Meson project settings
CVE-2026-123832Critical· 9.6In JetBrains CLion before 2026.2 code execution was possible in Safe Mode via JSON compilation database
CVE-2026-123276High· 7.8In JetBrains CLion before 2026.3, 2026.2.4.1 code execution was possible in Safe Mode via a crafted GDB server debug profile
CVE-2026-123278Medium· 6.7In JetBrains IntelliJ IDEA before 2026.3 code execution was possible via the unauthenticated JDBC worker RMI endpoint
CVE-2026-123836High· 8.8In JetBrains Datalore before 2026.4 workspace collaborators could obtain the owner's SSH private key via Git backup
CVE-2026-123834High· 7.5In JetBrains Datalore before 2026.4 improper scope validation in database tasks allowed using another workspace's service account