Vulnerability · Published Mar 5, 2026 · Assigned by VulnCheck
CVE-2026-28470OpenClaw < 2026.2.2 - Exec Allowlist Bypass via Command Substitution in Double Quotes
Critical 9.8
In plain English
A critical-severity OS command injection in OpenClaw from OpenClaw. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 46% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
OpenClaw versions prior to 2026.2.2 contain an exec approvals (must be enabled) allowlist bypass vulnerability that allows attackers to execute arbitrary commands by injecting command substitution syntax. Attackers can bypass the allowlist protection by embedding unescaped $() or backticks inside double-quoted strings to execute unauthorized commands.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | openclaw | 2026.2.2 | GHSA-3hcm-ggvf-rch5 |
Affected products (as reported)
Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- GitHub Security Advisory (GHSA-3hcm-ggvf-rch5) vendor-advisory
- Patch Commit patch
- VulnCheck Advisory: OpenClaw < 2026.2.2 - Exec Allowlist Bypass via Command Substitution in Double Quotes third-party-advisory