CVE-2026-44466

HIGH

Zed: Allowlist Bypass via Bash Arithmetic Expansion in Terminal Tool Permissions

Title source: cna
STIX 2.1

Description

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.

References (1)

Core 1
Core References

Scores

CVSS v3 8.6
EPSS 0.0021
EPSS Percentile 11.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-78
Status published
Products (2)
zed/zed < 0.229.0
zed-industries/zed < 0.229.0
Published May 28, 2026
Tracked Since May 28, 2026