Insertion of Sensitive Information Into Sent Data in IntelliJ IDEA - CVE-2026-86505
Published: September 7, 2026
Vulnerability identifier: #VU147332
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-86505
CWE-ID: CWE-201
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to disclose project metadata to JetBrains Marketplace.
The vulnerability exists due to a missing project-trust check in IntelliJ IDEA when handling project metadata. A local user can cause IntelliJ IDEA to send project metadata to JetBrains Marketplace to disclose project metadata.
Affected software
IntelliJ IDEA
How to mitigate CVE-2026-86505
Install security update from vendor's website.
IntelliJ IDEA - update to 2026.2.2