CVE-2026-123278

In JetBrains IntelliJ IDEA before 2026.3 code execution was possible via the unauthenticated JDBC…

Risk score: 40/100
CVSS: 6.7 v3.1
Published: 6 Nov 2026

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What to know

What it is: In JetBrains IntelliJ IDEA before 2026.3 code execution was possible via the unauthenticated JDBC worker RMI endpoint
Affected: See advisory
Fix: Upgrade the product to 2026.3 or later.
Exploitation: No known exploitation

Why it is Yellow

CVSS 6.7 medium

References

https://www.jetbrains.com/privacy-security/issues-fixed/

Original description

In JetBrains IntelliJ IDEA before 2026.3 code execution was possible via the unauthenticated JDBC worker RMI endpoint

Last activity 6 Nov 2026. Patch Forecast updates every hour.