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CVE-2026-44463

Zed: Allowlist Bypass via Environment Variable Injection in Terminal Tool Permissions

HIGH
7.8
CVSS Score
Published: May 28, 2026 at 04:15 PM UTC
Updated: June 17, 2026 at 10:50 AM UTC
1 product affected across 1 vendorZed

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

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.

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-c3g6-c3ff-69cg

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

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

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-184CWE-78

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