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CVE-2026-44466

Zed command injection

8.6 HIGHPublic exploitEPSS 0.22%
  1. Published28 May 2026

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.

CVSS 3.1 breakdown

Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected products

Zed< 0.229.0

Remediation

Fixed in
Zed≥ 0.229.0

References

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Frequently asked

Is CVE-2026-44466 being actively exploited?

CVE-2026-44466 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.22%.

How severe is CVE-2026-44466?

CVE-2026-44466 has a CVSS 3.1 base score of 8.6, rated high. EPSS estimates a 0.22% probability of exploitation.

Which products are affected by CVE-2026-44466?

Affected products include Zed.

How do I fix CVE-2026-44466?

Upgrade affected software to a fixed version, for example Zed 0.229.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.