CVE-2026-28391
CRITICAL severity · CVSS 9.8 · OS command injection
9.8CVSS CRITICAL
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://github.com/openclaw/openclaw/commit/a7f4a53ce80c98ba1452eb90802d447fca9bf3d6 ↗
Additional information
- NVD record
- https://github.com/openclaw/openclaw/commit/a7f4a53ce80c98ba1452eb90802d447fca9bf3d6Patch
- https://github.com/openclaw/openclaw/security/advisories/GHSA-qj77-c3c8-9c3qAdvisory
- https://www.vulncheck.com/advisories/openclaw-command-injection-via-cmdexe-parsing-bypass-in-allowlist-enforcementAdvisory