CVE-2026-123291 | BDVDB-2026-401199 Detail

JetBrainsDatalore

Description#

In JetBrains Datalore before 2026.4 improper owner validation allowed reading another workspace's issues and runs notebook

Per CVSS v3.1: confidentiality impact low, integrity impact none, availability impact none. Attack vector: network.

No public exploit known

4.3 Medium

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 16.4.

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Insecure Direct Object Reference

No specific action is recorded in the source data. Check the references for vendor guidance.

Not available

4.3 Medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Not available

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).