CVE-2026-86505 Information disclosure in IntelliJ IDEA
Missing project-trust checks in IntelliJ IDEA allow attackers to leak project metadata to JetBrains Marketplace, exposing sensitive development information.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-86505?
CVE-2026-86505 is a low-severity vulnerability in JetBrains IntelliJ IDEA, published on 7 Sep 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
In JetBrains IntelliJ IDEA before 2026.2.2 missing project-trust check leaked project metadata to JetBrains Marketplace
Weakness: CWE-201
Which versions are affected by CVE-2026-86505?
How do I fix CVE-2026-86505?
No fix has been published for CVE-2026-86505 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-86505 being exploited?
There is no known exploitation of CVE-2026-86505 in the wild and no public exploit code.
Sources
Also known as GHSA-mrxm-78qv-vcvf.