Vulnerability Description
OpenClaw versions prior to 2026.2.2 fail to properly validate Windows cmd.exe metacharacters in allowlist-gated exec requests (non-default configuration), allowing attackers to bypass command approval restrictions. Remote attackers can craft command strings with shell metacharacters like & or %...% to execute unapproved commands beyond the allowlisted operations.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openclaw | Openclaw | < 2026.2.2 |
Related Weaknesses (CWE)
References
- https://github.com/openclaw/openclaw/commit/a7f4a53ce80c98ba1452eb90802d447fca9bPatch
- https://github.com/openclaw/openclaw/security/advisories/GHSA-qj77-c3c8-9c3qVendor Advisory
- https://www.vulncheck.com/advisories/openclaw-command-injection-via-cmdexe-parsiBroken LinkThird Party Advisory
FAQ
What is CVE-2026-28391?
CVE-2026-28391 is a vulnerability with a CVSS score of 9.8 (CRITICAL). OpenClaw versions prior to 2026.2.2 fail to properly validate Windows cmd.exe metacharacters in allowlist-gated exec requests (non-default configuration), allowing attackers to bypass command approval...
How severe is CVE-2026-28391?
CVE-2026-28391 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-28391?
Check the references section above for vendor advisories and patch information. Affected products include: Openclaw Openclaw.