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 approval state for inner commands.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.007 (51.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.2% 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: 0.007 · change: +0.003
Affected products
- Openclaw — versions 0, 2026.3.22
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-qm9x-v7cx-7rq4 (vendor-advisory, Vendor Advisory, third-party-advisory)
- github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87 (Patch, patch)
- github.com/openclaw/openclaw/commit/39409b6a6dd4239deea682e626bac9ba547bfb14 (Patch, patch)
- www.vulncheck.com/advisories/openclaw-allowlist-bypass-via-unregistered-time-di… (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.