Cyber Resilience

CVE-2026-44462

MediumPublic PoCUpdated

Published: 28 May 2026

Published
28 May 2026
Modified
17 June 2026
KEV Added
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Patch
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CVSS Score v3.1 6.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:L
EPSS Score 0.0044 35.1th percentile
Risk Priority 35 floored blend · peak EPSS

Summary

CVE-2026-44462 is a medium-severity Incomplete List of Disallowed Inputs (CWE-184) vulnerability in Zed Zed. Its CVSS base score is 6.4 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Unix Shell (T1059.004); ranked at the 35.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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.

CWE(s)
CWE-184

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1059.004 Unix Shell Execution
Adversaries may abuse Unix shell commands and scripts for execution.
attack.mitre.org →
Why these techniques?

Bash variable expansion bypass directly enables arbitrary Unix shell command execution by circumventing allowlist restrictions.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

Affected Assets

zed
zed
≤ 0.229.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SI-8 Spam Protection
addresses: CWE-184

Spam filters rely on evolving blacklists, signatures, and heuristics of disallowed message patterns; keeping them updated per the control directly mitigates incomplete disallowed-input lists.

References