Vulnerability · Published Mar 31, 2026 · Assigned by VulnCheck
CVE-2026-32921OpenClaw < 2026.3.8 - Script Content Modification via Mutable Operand Binding in system.run
Medium 6.3
In plain English
A medium-severity security flaw 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 0.2% (higher than 10% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
OpenClaw before 2026.3.8 contains an approval bypass vulnerability in system.run where mutable script operands are not bound across approval and execution phases. Attackers can obtain approval for script execution, modify the approved script file before execution, and execute different content while maintaining the same approved command shape.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | openclaw | 2026.3.8 | GHSA-8g75-q649-6pv6 |
Affected products (as reported)
Weakness: CWE-367 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
References
- GitHub Security Advisory (GHSA-8g75-q649-6pv6) vendor-advisory
- Patch Commit #1 patch
- Patch Commit #2 patch
- VulnCheck Advisory: OpenClaw < 2026.3.8 - Script Content Modification via Mutable Operand Binding in system.run third-party-advisory