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Vulnerability record · CVE-2026-44466 · published 28 May 2026

CVE-2026-44466: Zed os command injection vulnerability

Zed · Zed

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.

8.6 CVSS 3.1 High EPSS 0.22% · top 88.2% CWE-78 · OS command injection
8.6CVSS 3.1 base score
0.22%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/zed-industries/zed/security/advisories/GHSA-c99f-97vf-4h5h ExploitVendor Advisory
https://github.com/zed-industries/zed/security/advisories/GHSA-c99f-97vf-4h5h ExploitVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-44466), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.