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

Severity: high (CVSS 8.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-05-28 · updated 2026-06-17
Weakness: CWE-78

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.

Affected products

zed-industries zed: before 0.227.1 — fixed in 0.227.1

How to fix

Upgrade to a fixed version: zed-industries zed 0.227.1. Check the vendor advisory for mitigations.

References

https://github.com/zed-industries/zed/security/advisories/GHSA-fj2r-rmw6-h222
https://github.com/zed-industries/zed/security/advisories/GHSA-fj2r-rmw6-h222

Get alerted when CVE-2026-44465 or the next vulnerability affects your stack