CVE-2026-44463: CWE-184: Incomplete List of Disallowed Inputs in zed-industries zed
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.
AI Analysis
Technical Summary
CVE-2026-44463 affects the zed code editor before version 0.229.0. The vulnerability arises from an incomplete list of disallowed inputs in the terminal tool permission system, allowing attackers to bypass restrictions by prepending environment variable assignments to allowlisted commands. This can lead to hijacking of program behavior (e.g., via the PAGER environment variable) and arbitrary code execution. The vulnerability is addressed in zed version 0.229.0.
Potential Impact
Successful exploitation can result in arbitrary code execution with high impact on confidentiality, integrity, and availability. The vulnerability allows bypassing terminal tool permission controls, potentially enabling attackers to execute unauthorized commands or code within the affected environment.
Mitigation Recommendations
Upgrade zed to version 0.229.0 or later, where this vulnerability is fixed. Since the vendor advisory confirms the fix in 0.229.0, applying this official update fully mitigates the issue. No additional mitigations are specified.
CVE-2026-44463: CWE-184: Incomplete List of Disallowed Inputs in zed-industries zed
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.
CVSS v3.1
Score 8.6high
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-44463 affects the zed code editor before version 0.229.0. The vulnerability arises from an incomplete list of disallowed inputs in the terminal tool permission system, allowing attackers to bypass restrictions by prepending environment variable assignments to allowlisted commands. This can lead to hijacking of program behavior (e.g., via the PAGER environment variable) and arbitrary code execution. The vulnerability is addressed in zed version 0.229.0.
Potential Impact
Successful exploitation can result in arbitrary code execution with high impact on confidentiality, integrity, and availability. The vulnerability allows bypassing terminal tool permission controls, potentially enabling attackers to execute unauthorized commands or code within the affected environment.
Mitigation Recommendations
Upgrade zed to version 0.229.0 or later, where this vulnerability is fixed. Since the vendor advisory confirms the fix in 0.229.0, applying this official update fully mitigates the issue. No additional mitigations are specified.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-05-06T15:49:25.193Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a1871e7e29bf47b501244dd
Added to database: 5/28/2026, 4:48:39 PM
Last enriched: 5/28/2026, 5:04:11 PM
Last updated: 5/29/2026, 4:27:28 PM
Views: 11
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