Summary
| Parameter | Value |
|---|---|
| CVE ID | CVE-2026-28363 |
| Alert Source | NVD - New Critical Vulnerability |
| CVE Publication Year | 2026 |
| Date Published | 2026-02-27 |
| Vendor | Openclaw |
| Product | Openclaw |
| CVSS Score | 9.9 (critical) |
| EPSS Score | 0.1% (percentile: 24%) |
| CISA KEV | No |
| Ransomware | Not confirmed |
Vulnerability Description
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.
Required Actions
Apply vendor patches or mitigations as soon as available.
Who Is Affected?
This vulnerability affects Openclaw by Openclaw. Check if your organization uses this software and requires updates.
Sources
Need help securing your systems? nFlo team offers vulnerability management and 24/7 SOC services. Contact us.
How can nFlo help?
If your organization uses products affected by this vulnerability, contact us. We can help with:
- Verifying whether your systems are at risk
- Implementing patches and risk mitigation
- Monitoring for exploitation attempts in your environment
Useful resources:
Frequently asked questions
What is CVE-2026-28363?
CVE-2026-28363 is a vulnerability discovered in Openclaw's Openclaw. 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 executio. The severity is rated as critical (CVSS: 9.9).
Who is affected by CVE-2026-28363?
This vulnerability affects users of Openclaw's Openclaw. Any organization using this software should immediately verify whether their systems require patching or mitigation measures.
How can I protect against CVE-2026-28363?
Apply the security patches provided by Openclaw or implement the recommended mitigations. If patches are not yet available, consider temporarily disabling the vulnerable component or applying additional layers of protection.
Why is CVE-2026-28363 classified as critical?
This vulnerability received a CVSS score of 9.9, classifying it as critical. This means it can be easily exploited by attackers and may lead to severe consequences such as system takeover, data theft, or service disruption.
How should I monitor threats related to CVE-2026-28363?
Track advisories from Openclaw, the NVD database, and the CISA KEV catalog. Implementing a vulnerability management system enables automatic detection and prioritization of threats across your IT infrastructure.
