What is CVE-2026-123285?

CVE-2026-123285 is a medium-severity vulnerability in Jetbrains Datalore, classified under Argument Injection. CVSS score: 6.3/10. Published 2026-11-06.

How severe is CVE-2026-123285?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Vulnerability in Jetbrains Datalore

CVE-2026-123285

In JetBrains Datalore before 2026.3 command execution was possible in the database task container via JVM options injection

Published 2026-11-06 · last modified 2026-11-06.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.009 (58.5th percentile), scored 2026-11-09.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

The 30-day trend appears once there are two daily scores.

Affected products

Jetbrains Datalore

Weakness classification (CWE)

CWE-88 — Argument Injection

References

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

Frequently asked questions

What is CVE-2026-123285?: CVE-2026-123285 is a medium-severity vulnerability in Jetbrains Datalore, classified under Argument Injection. CVSS score: 6.3/10. Published 2026-11-06.
How severe is CVE-2026-123285?: Medium severity. CVSS v3 base score is 6.3 out of 10.