What is CVE-2026-56142?

CVE-2026-56142 is a critical-severity vulnerability in Jetbrains Hub, classified under Improperly Controlled Modification of Dynamically-Determined Object Attributes. CVSS score: 9.9/10. Published 2026-06-19.

How severe is CVE-2026-56142?

Critical severity. CVSS v3 base score is 9.9 out of 10.

Vulnerability in Jetbrains Hub

CVE-2026-56142

In JetBrains Hub before 2026.1.13757, 2025.3.148033, 2025.2.148048, 2025.1.148120, 2024.3.148430, 2024.2.148429 privilege escalation by attaching authentication details to accounts was possible

Vulnerability class: Mass Assignment

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Jetbrains Hub — versions 0

Weakness classification (CWE)

CWE-915 — Improperly Controlled Modification of Dynamically-Determined Object Attributes

References

cve@jetbrains.com

Frequently asked questions

What is CVE-2026-56142?: CVE-2026-56142 is a critical-severity vulnerability in Jetbrains Hub, classified under Improperly Controlled Modification of Dynamically-Determined Object Attributes. CVSS score: 9.9/10. Published 2026-06-19.
How severe is CVE-2026-56142?: Critical severity. CVSS v3 base score is 9.9 out of 10.