CVE-2026-86505: CWE-201 in JetBrains IntelliJ IDEA
In JetBrains IntelliJ IDEA before 2026.2.2 missing project-trust check leaked project metadata to JetBrains Marketplace
AI Analysis
Technical Summary
CVE-2026-86505 is a vulnerability in JetBrains IntelliJ IDEA versions prior to 2026.2.2 where the absence of a project-trust verification allowed unintended leakage of project metadata to the JetBrains Marketplace. This flaw relates to CWE-201 (Information Exposure) and has a CVSS v3.1 base score of 3.3, indicating low impact. The vulnerability does not affect integrity or availability and requires local access with user interaction to exploit.
Potential Impact
The vulnerability results in limited confidentiality impact by exposing project metadata to the JetBrains Marketplace without proper trust validation. There is no impact on integrity or availability. The low CVSS score reflects the limited scope and difficulty of exploitation.
Mitigation Recommendations
Upgrade to JetBrains IntelliJ IDEA version 2026.2.2 or later, where the missing project-trust check has been implemented to prevent metadata leakage. No other mitigation or workaround is indicated.
CVE-2026-86505: CWE-201 in JetBrains IntelliJ IDEA
Description
In JetBrains IntelliJ IDEA before 2026.2.2 missing project-trust check leaked project metadata to JetBrains Marketplace
CVSS v3.1
Score 3.3low
Affected software
pkg:github/jetbrains/IntelliJ-IDEARun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-86505 is a vulnerability in JetBrains IntelliJ IDEA versions prior to 2026.2.2 where the absence of a project-trust verification allowed unintended leakage of project metadata to the JetBrains Marketplace. This flaw relates to CWE-201 (Information Exposure) and has a CVSS v3.1 base score of 3.3, indicating low impact. The vulnerability does not affect integrity or availability and requires local access with user interaction to exploit.
Potential Impact
The vulnerability results in limited confidentiality impact by exposing project metadata to the JetBrains Marketplace without proper trust validation. There is no impact on integrity or availability. The low CVSS score reflects the limited scope and difficulty of exploitation.
Mitigation Recommendations
Upgrade to JetBrains IntelliJ IDEA version 2026.2.2 or later, where the missing project-trust check has been implemented to prevent metadata leakage. No other mitigation or workaround is indicated.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-mrxm-78qv-vcvf
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-86505"]
- Ecosystems
- []
- Database Specific Severity
- LOW
- Cvss Version
- 3.1
Threat ID: 6a9f9113acd9273b49ff2bb2
Added to database: 09/08/2026, 04:37:39 UTC
Last enriched: 09/08/2026, 05:08:44 UTC
Last updated: 09/09/2026, 01:51:59 UTC
Views: 18
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