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EPSS 0.5%top 58%

CVE-2026-86480: CWE-306 in JetBrains Hub

0
Critical
VulnerabilityCVE-2026-86480cvecve-2026-86480cwe-306gcveosvghsa-3hfh-j9g4-36r5ghsa
Published: 09/07/2026 (09/07/2026, 16:26:41 UTC)
Source: CVE Database V5
Vendor/Project: JetBrains
Product: Hub

Description

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

CVSS v3.1

Score 9.8critical

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected software

JetBrains

Hub

Affected versions
>=0 <2026.2.52442

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/15/2026, 00:45:37 UTC

Technical Analysis

This vulnerability in JetBrains Hub (prior to version 2026.2.52442) enables an unauthenticated attacker to register a trusted service within the system. By doing so, the attacker can gain superuser privileges, effectively bypassing authentication controls. The CVSS v3.1 base score is 9.8, indicating a critical severity with network attack vector, low attack complexity, no privileges required, no user interaction, and high impact on confidentiality, integrity, and availability.

Potential Impact

Successful exploitation results in an unauthenticated attacker obtaining superuser privileges on the affected JetBrains Hub instance. This grants full control over the system, potentially leading to complete compromise of the affected environment.

Mitigation Recommendations

A fix is available in JetBrains Hub version 2026.2.52442. Users should upgrade to this version or later to remediate the vulnerability. No additional mitigation guidance is provided in the vendor advisory.

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Technical Details

Data Version
5.2
Assigner Short Name
JetBrains
Date Reserved
2026-09-07T16:13:34.032Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6a9ee857acd9273b49f0e3e2

Added to database: 09/07/2026, 16:37:43 UTC

Last enriched: 09/15/2026, 00:45:37 UTC

Last updated: 10/22/2026, 13:15:24 UTC

Views: 183

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