Zed: Allowlist Bypass via Bash Variable Expansion Chain in Terminal Tool Permissions

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Summary

CVECVE-2026-44462
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-28 17:16:29 UTC
Updated2026-06-03 01:00:02 UTC
DescriptionZed is a code editor. Prior to 0.229.0, Zed's terminal tool permission system can be bypassed via bash variable expansion chaining (${var@P}), allowing arbitrary command execution under an allowlisted command prefix. This vulnerability is fixed in 0.229.0.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from [email protected]

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

EPSS: 0.000740000 probability, percentile 0.224670000 (date 2026-06-03)

Problem Types: CWE-184 | CWE-184 CWE-184: Incomplete List of Disallowed Inputs

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary8.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
3.1[email protected]Secondary6.4MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:L
3.1CNADECLARED6.4MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Zed Zed All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Zed-industries Zed affected < 0.229.0 Not specified

References

ReferenceSourceLinkTags
github.com/zed-industries/zed/security/advisories/GHSA-rqq3-p6x4-q866 [email protected] github.com Exploit, Vendor Advisory
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