CVE-2026-123307Medium· 6.8▾ SunlitIn JetBrains IntelliJ IDEA before 2026.3, 2026.2.4 unauthenticated connection to an arbitrary host via run configurations was possible
▾ Sunlit zone — Low / medium · no exploitation signal
impact 37.4 · likelihood 0 · exploitation 0
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In JetBrains IntelliJ IDEA before 2026.3, 2026.2.4 unauthenticated connection to an arbitrary host via run configurations was possible
intellij_idea < 2026.3, 2026.2.4Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-123846Medium· 4.3In JetBrains IntelliJ IDEA before 2026.3 blind SSRF was possible via remote references in JSON Schema validation
CVE-2026-123844Medium· 5.3In JetBrains IntelliJ IDEA before 2026.3 sSRF was possible via custom plugin repositories
CVE-2026-123310Medium· 5.4In JetBrains IntelliJ IDEA before 2026.3 kotlin scripts could trigger dependency downloads from arbitrary repositories in untrusted projects
CVE-2026-86503Low· 3.3In JetBrains IntelliJ IDEA before 2026.2.2 opening an untrusted project could trigger SSRF via Kubernetes spec-source URL fetching
CVE-2026-123837High· 7.8In JetBrains IntelliJ IDEA before 2026.3, 2026.2.1 command injection was possible in untrusted projects via Tomcat run configurations on WSL
CVE-2026-123838High· 7.8In JetBrains IntelliJ IDEA before 2026.3 code execution was possible in Safe Mode via UI Designer form file