CVE-2026-44463: Zed is a code editor

Q: How do I fix CVE-2026-44463?

zed: upgrade to 0.229.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-44463 being exploited?

CVE-2026-44463 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-44463 affect?

CVE-2026-44463 affects zed. Severity is high (CVSS 8.6). Zed is a code editor. Prior to 0.229.0, Zed's terminal tool permission system can be bypassed by prepending environment variable assignments to allowlisted commands, hijacking program behavior (e.g., PAGER) to execute arbitrary code. This v

Q: How urgent is CVE-2026-44463?

Priority 39/100. High severity; Public exploit reference

Routine

HIGH 8.6UPGRADE

CVE-2026-44463 is a high-severity flaw (CVSS 8.6) affecting zed. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Zed is a code editor. Prior to 0.229.0, Zed's terminal tool permission system can be bypassed by prepending environment variable assignments to allowlisted commands, hijacking program behavior (e.g., PAGER) to execute arbitrary code. This vulnerability is fixed in 0.229.0.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.6 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 86%)
CISA exploited list	No
Weakness	CWE-78, CWE-184
Published	2026-05-28
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: zed

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-28 17:16 UTCPublished CVE record published
2026-06-17 10:50 UTCUpdated Record last modified

zed zed UPGRADE

Affected: < 0.229.0

Fixed in: 0.229.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy zed || rpm -q zed || zed --version

2. UPGRADE to 0.229.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade zed

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade zed

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-44463?

zed: upgrade to 0.229.0. Exact commands for each OS are on this page.

Is CVE-2026-44463 being exploited?

CVE-2026-44463 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-44463 affect?

CVE-2026-44463 affects zed. Severity is high (CVSS 8.6). Zed is a code editor. Prior to 0.229.0, Zed's terminal tool permission system can be bypassed by prepending environment variable assignments to allowlisted commands, hijacking program behavior (e.g., PAGER) to execute arbitrary code. This v

How urgent is CVE-2026-44463?

Priority 39/100. High severity; Public exploit reference

Related CVEs

CVE-2026-44466 HIGH 8.6 UPGRADE Zed is a code editor
CVE-2026-44465 HIGH 8.6 UPGRADE Zed is a code editor
CVE-2026-44462 MEDIUM 6.4 UPGRADE Zed is a code editor
CVE-2026-44461 HIGH 8.6 UPGRADE Zed is a code editor

References

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