Vulnerability in Openclaw
CVE-2026-53819
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (34.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 34.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Openclaw — versions 0, 2026.5.27
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-8wg3-5mcm-fjq8 (vendor-advisory, Mitigation, patch, Vendor Advisory)
- www.vulncheck.com/advisories/openclaw-arbitrary-homebrew-executable-execution-v… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-53819?
- CVE-2026-53819 is a high-severity vulnerability in Openclaw, classified under Untrusted Search Path. CVSS score: 8.8/10. Published 2026-06-11.
- How severe is CVE-2026-53819?
- High severity. CVSS v3 base score is 8.8 out of 10.