What is CVE-2026-123296?

CVE-2026-123296 is a high-severity vulnerability in Jetbrains Hub, classified under Incorrect Authorization. CVSS score: 7.5/10. Published 2026-11-06.

How severe is CVE-2026-123296?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Jetbrains Hub

CVE-2026-123296

In JetBrains Hub before 2026.2.52519 privilege escalation via forged email verification was possible

Vulnerability class: Broken Access Control

Published 2026-11-06 · last modified 2026-11-07.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (25.1th percentile), scored 2026-11-09.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.1% 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 Hub

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

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

Frequently asked questions

What is CVE-2026-123296?: CVE-2026-123296 is a high-severity vulnerability in Jetbrains Hub, classified under Incorrect Authorization. CVSS score: 7.5/10. Published 2026-11-06.
How severe is CVE-2026-123296?: High severity. CVSS v3 base score is 7.5 out of 10.