CVE-2026-44466 HIGH

CVE-2026-44466: Zed: Allowlist Bypass via Bash Arithmetic Expansion in Terminal Tool Permissions

Vendor Zed-Industries
Product zed
Weakness CWE-78
Published May 28, 2026
Last update May 29, 2026
View on NVD All CVEs

CVSS base score

8.6/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

Zed is a code editor. Prior to 0.229.0, Zed's terminal tool permission system can be bypassed via bash arithmetic expansion $((...)), allowing execution of arbitrary commands nested inside an allowlisted command like echo. This vulnerability is fixed in 0.229.0.

Key dates

02Disclosure timeline

May 28, 2026 CVE published
May 29, 2026 Record updated