What is CVE-2026-86480?

CVE-2026-86480 is a critical-severity vulnerability in Jetbrains Hub, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-09-07.

How severe is CVE-2026-86480?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Jetbrains Hub

CVE-2026-86480

In JetBrains Hub before 2026.2.52442 an unauthenticated attacker could register a trusted service and gain superuser privileges

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Jetbrains Hub

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

cve@jetbrains.com

Frequently asked questions

What is CVE-2026-86480?: CVE-2026-86480 is a critical-severity vulnerability in Jetbrains Hub, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-09-07.
How severe is CVE-2026-86480?: Critical severity. CVSS v3 base score is 9.8 out of 10.