CVE-2026-44462: zed — Exploit & Fix

Description

Zed 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.

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CVSS v3.1 Score

6.4

MEDIUM

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

EPSS — Exploit Prediction

0.0043

Probability of exploitation

0.34%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-184 CWE-184

Affected Products

Vendor	Product	Versions
zed	zed	< 0.229.0

References

Advisories & Patches

https://github.com/zed-industries/zed/security/advisories/GHSA-rqq3-p6x4-q866

Exploits

https://github.com/zed-industries/zed/security/advisories/GHSA-rqq3-p6x4-q866

Frequently Asked Questions

What is CVE-2026-44462? +

Zed 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. It has a CVSS v3.1 base score of 6.4 (MEDIUM).

How severe is CVE-2026-44462? +

CVE-2026-44462 has a CVSS v3.1 score of 6.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0043, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-44462? +

CVE-2026-44462 affects products from zed, specifically: zed. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-44462? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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