vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2026-44466

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

HIGH
8.6
CVSS Score
Published: May 28, 2026 at 04:16 PM UTC
Updated: June 17, 2026 at 10:50 AM UTC
1 product affected across 1 vendorZed

Using zed by zed-industries?

Get instant alerts when new vulnerabilities affect zed - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
HIGH8.6
Exploit prediction
EPSS 0.3%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Zed· Zed
95%
v < 0.229.0
Affected range stops below 0.229.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_CONFIRMExploitVendor Advisory
Source: cverecord
https://github.com/zed-industries/zed/security/advisories/GHSA-c99f-97vf-4h5h

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.6HIGHGitHub_M
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-78

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card