CVE-2026-86480: CWE-306 in JetBrains Hub
CVE-2026-86480 is a critical vulnerability in JetBrains Hub prior to version 2026.2.52442. It allows an unauthenticated attacker to register a trusted service and escalate privileges to superuser. The vulnerability is classified under CWE-306, indicating missing authentication for critical functionality. No official patch or remediation information is currently available from the vendor. The vulnerability has a CVSS score of 9.8, reflecting its high impact on confidentiality, integrity, and availability.
AI Analysis
Technical Summary
JetBrains Hub versions before 2026.2.52442 contain a privilege escalation vulnerability (CWE-306) that permits an unauthenticated attacker to register a trusted service, thereby gaining superuser privileges. This flaw allows complete compromise of the affected system without requiring prior authentication. The vulnerability is publicly disclosed and assigned CVE-2026-86480 with a CVSS v3.1 base score of 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H). No vendor advisory or patch information is currently provided, and the product is not a cloud service, so remediation depends on vendor updates.
Potential Impact
An unauthenticated attacker can gain superuser privileges on JetBrains Hub instances prior to 2026.2.52442 by registering a trusted service. This results in full system compromise, including complete control over confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict access to JetBrains Hub instances and monitor for suspicious service registrations. Follow vendor updates closely for an official patch or mitigation instructions.
CVE-2026-86480: CWE-306 in JetBrains Hub
Description
CVE-2026-86480 is a critical vulnerability in JetBrains Hub prior to version 2026.2.52442. It allows an unauthenticated attacker to register a trusted service and escalate privileges to superuser. The vulnerability is classified under CWE-306, indicating missing authentication for critical functionality. No official patch or remediation information is currently available from the vendor. The vulnerability has a CVSS score of 9.8, reflecting its high impact on confidentiality, integrity, and availability.
CVSS v3.1
Score 9.8critical
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
JetBrains Hub versions before 2026.2.52442 contain a privilege escalation vulnerability (CWE-306) that permits an unauthenticated attacker to register a trusted service, thereby gaining superuser privileges. This flaw allows complete compromise of the affected system without requiring prior authentication. The vulnerability is publicly disclosed and assigned CVE-2026-86480 with a CVSS v3.1 base score of 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H). No vendor advisory or patch information is currently provided, and the product is not a cloud service, so remediation depends on vendor updates.
Potential Impact
An unauthenticated attacker can gain superuser privileges on JetBrains Hub instances prior to 2026.2.52442 by registering a trusted service. This results in full system compromise, including complete control over confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict access to JetBrains Hub instances and monitor for suspicious service registrations. Follow vendor updates closely for an official patch or mitigation instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- JetBrains
- Date Reserved
- 2026-09-07T16:13:34.032Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a9ee857acd9273b49f0e3e2
Added to database: 09/07/2026, 16:37:43 UTC
Last enriched: 09/07/2026, 16:52:54 UTC
Last updated: 09/07/2026, 22:20:04 UTC
Views: 27
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