🛡️ CVE-2026-44466 — zed

🟠 CVSS 8.6 — High ✅ No Known Exploit CWE-78 NVD
8.6
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2026-44466 is classified as CWE-78: OS Command Injection. Untrusted input reaches a shell command without neutralisation, so an attacker can run arbitrary operating system commands.

Affected software

CVE-2026-44466 is recorded against 2 packages.

  • unknown
  • zed (fixed in 0.229.0)

Timeline and source

Published on 28 May 2026 and last revised on 29 May 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

github.com
github.com

CVE-2026-44466 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity HIGH
CVSS Score 8.6
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CWE CWE-78
Public Exploit ✅ No
Source NVD
Published 2026-05-28
Updated 2026-08-11
Modified 2026-05-29
Fix URL N/A

Affected Packages

Software From version Fixed in
unknown — —
zed — 0.229.0

Similar Threats

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