CVE-2026-86502 Missing authorization in IntelliJ IDEA
Local attackers can execute code on Remote Development hosts due to missing TLS and authentication on the IJent gRPC server in IntelliJ IDEA.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-86502?
CVE-2026-86502 is a high-severity missing authorization vulnerability in JetBrains IntelliJ IDEA, published on 7 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In JetBrains IntelliJ IDEA before 2026.2.2 missing TLS and authentication on the IJent gRPC server allowed local code execution on Remote Development hosts
Weakness: CWE-306
Which versions are affected by CVE-2026-86502?
How do I fix CVE-2026-86502?
No fix has been published for CVE-2026-86502 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-86502 being exploited?
There is no known exploitation of CVE-2026-86502 in the wild and no public exploit code.
Sources
Also known as GHSA-3v3f-g56p-vw6w.