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CVE-2026-44466

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

CVSS 8.6 HIGHEPSS 0.2%CWE-78
Vexday Risk Score
21Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 8.6EPSS 0.2%KEV nãoPoC Nuclei Metasploit Patch
Lifecycle
28 May 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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
zed-industries · zed

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