CVE-2026-44463

Zed: Allowlist Bypass via Environment Variable Injection in Terminal Tool Permissions

Published May 28, 2026 CVSS 3.1 · 8.6 High EPSS < 1% KEV · Not listed
Description
Zed is a code editor. Prior to 0.229.0, Zed's terminal tool permission system can be bypassed by prepending environment variable assignments to allowlisted commands, hijacking program behavior (e.g., PAGER) to execute arbitrary code. This vulnerability is fixed in 0.229.0.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Zed
Zed zed
CPEs cpe:2.3:a:zed:zed:*:*:*:*:*:*:*:*
Vendors & Products Zed
Zed zed
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Zed-industries
Zed-industries zed
Vendors & Products Zed-industries
Zed-industries zed
Type Values Removed Values Added
Description Zed is a code editor. Prior to 0.229.0, Zed's terminal tool permission system can be bypassed by prepending environment variable assignments to allowlisted commands, hijacking program behavior (e.g., PAGER) to execute arbitrary code. This vulnerability is fixed in 0.229.0.
Title Zed: Allowlist Bypass via Environment Variable Injection in Terminal Tool Permissions
Weaknesses CWE-184
CWE-78
References
Metrics cvssV3_1

{'score': 8.6, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
May 29, 2026, 3:15 PM
Reserved
May 6, 2026, 3:49 PM
Status
Analyzed
Published
May 28, 2026, 5:16 PM
Modified
Jun 17, 2026, 10:50 AM