What is CVE-2026-35666?

CVE-2026-35666 is a high-severity vulnerability in Openclaw, classified under Use of Incorrectly-Resolved Name or Reference. CVSS score: 8.8/10. Published 2026-04-10.

How severe is CVE-2026-35666?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Openclaw

CVE-2026-35666

OpenClaw before 2026.3.22 contains an allowlist bypass vulnerability in system.run approvals that fails to unwrap /usr/bin/time wrappers. Attackers can bypass executable binding restrictions by using an unregistered time wrapper to reuse a…

EPSS: 0.004 (29.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Openclaw — versions 0, 2026.3.22

Weakness classification (CWE)

CWE-706 — Use of Incorrectly-Resolved Name or Reference

References

disclosure@vulncheck.com (vendor-advisory, Vendor Advisory, third-party-advisory)
disclosure@vulncheck.com (Patch, patch)
disclosure@vulncheck.com (Patch, patch)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-35666?: CVE-2026-35666 is a high-severity vulnerability in Openclaw, classified under Use of Incorrectly-Resolved Name or Reference. CVSS score: 8.8/10. Published 2026-04-10.
How severe is CVE-2026-35666?: High severity. CVSS v3 base score is 8.8 out of 10.