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CVE-2026-28363

CriticalPublished

In OpenClaw before 2026.2.23, tools.exec.safeBins validation for sort could be bypassed via GNU long-option abbreviations (such as --compress-prog) in...

Published: Feb 27, 2026
Updated: Feb 27, 2026
Assigning CNA: mitre
Evidence observed: Aug 25, 2026

Primary CVSS

9.9/ 10Critical

nvd · CVSS 3.1

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

EPSS probability estimate

0.5%

Low · next 30 days

Percentile: 41.4%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

In OpenClaw before 2026.2.23, tools.exec.safeBins validation for sort could be bypassed via GNU long-option abbreviations (such as --compress-prog) in allowlist mode, leading to approval-free execution paths that were intended to require approval. Only an exact string such as --compress-program was denied.

Sources

CVE-2026-28363Informational
Security advisory detailing CVE-2026-28363, a critical RCE in OpenClaw, including technical analysis, CVSS metrics, and mitigation steps for defensive purposes.

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