CVE-2026-123290: Medium severity vulnerability

Published Nov 6, 2026

Updated

In JetBrains Datalore before 2026.4 hidden notebook code was exposed to unauthenticated users via the public interactive report content endpoint

Event History

Nov 6, 2026

CVE Published

via MITRE·10:27 AM

Data Sourced

via MITRE·10:27 AM

DescriptionSeverityWeakness

Frequently Asked Questions

Who can access the exposed notebook code?

Unauthenticated users can access hidden notebook code through the public interactive report content endpoint.

What attacker access or interaction is required?

The issue is remotely reachable and requires no privileges or user interaction, as reflected by AV:N/AC:L/PR:N/UI:N.

Which deployments are affected?

JetBrains Datalore versions before 2026.4 are affected when public interactive report content is available.

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