CVE-2026-44465 Zed: Zed IDE Arbitrary Code Execution via untrusted repository with poisoned .git/config

High 8.6 Published 28 May 2026 Updated 29 May 2026

Attackers can execute arbitrary code by tricking users into opening a malicious repository in the Zed IDE.

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-2026-44465?

CVE-2026-44465 is a high-severity command injection vulnerability in zed-industries zed, published on 28 May 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

Zed is a code editor. Prior to 0.227.1, Zed IDE executes arbitrary commands when opening a folder with a malicious .git/config file that abuses the core.fsmonitor Git configuration option. This allows an attacker to achieve Remote Code Execution (RCE) when a victim open a folder in untrusted mode. This vulnerability is fixed in 0.227.1.

Weakness: CWE-78

Which versions are affected by CVE-2026-44465?

It affects 1 product.

Products include Zed Zed.

How do I fix CVE-2026-44465?

No fix has been published for CVE-2026-44465 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-44465 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-44465 exists.

Sources

Also known as GHSA-fj2r-rmw6-h222, UBUNTU-CVE-2026-44465.