Vulnerability Description
OpenClaw before 2026.5.27 contains an arbitrary code execution vulnerability in skill install flows where workspace .env files can override the Homebrew executable selection. Attackers with access to trusted operator workspaces can execute unintended Homebrew-compatible executables during skill setup to compromise the system.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openclaw | Openclaw | < 2026.5.27 |
Related Weaknesses (CWE)
References
- https://github.com/openclaw/openclaw/security/advisories/GHSA-8wg3-5mcm-fjq8MitigationVendor Advisory
- https://www.vulncheck.com/advisories/openclaw-arbitrary-homebrew-executable-execThird Party Advisory
FAQ
What is CVE-2026-53819?
CVE-2026-53819 is a vulnerability with a CVSS score of 8.8 (HIGH). OpenClaw before 2026.5.27 contains an arbitrary code execution vulnerability in skill install flows where workspace .env files can override the Homebrew executable selection. Attackers with access to ...
How severe is CVE-2026-53819?
CVE-2026-53819 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-53819?
Check the references section above for vendor advisories and patch information. Affected products include: Openclaw Openclaw.