CVE-2026-64809 Code injection in PhpStorm

High 8.4 Published 23 Jul 2026 Updated 24 Jul 2026

Attackers can execute arbitrary code in JetBrains PhpStorm before project trust is granted via the configured interpreter.

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-2026-64809?

CVE-2026-64809 is a high-severity code injection vulnerability in JetBrains PhpStorm, published on 23 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In JetBrains PhpStorm before 2026.2 arbitrary code execution was possible before granting project trust via the configured interpreter

Weakness: CWE-829

Which versions are affected by CVE-2026-64809?

It affects 1 product.

Products include Jetbrains Phpstorm.

How do I fix CVE-2026-64809?

No fix has been published for CVE-2026-64809 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-64809 being exploited?

There is no known exploitation of CVE-2026-64809 in the wild and no public exploit code.

Sources

Also known as GHSA-3x85-78v7-w543.