Auth bypass in Openclaw
CVE-2026-35674
OpenClaw before 2026.5.18 contains a scope bypass vulnerability in the Gateway chat.send route that allows scoped clients to execute privileged commands. Attackers with operator.write scope can deliver commands through inherited external routes to bypass operator.approvals and operator.admin scope requirements, enabling unauthorized plugin, config, MCP, allowlist, and ACP mutations.
Vulnerability class: Broken Access Control
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: 0.005 (36.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002
Affected products
- Openclaw — versions 0, 2026.5.18
Weakness classification (CWE)
References
- GitHub Security Advisory (GHSA-hw9r-h9mr-4jff) (vendor-advisory, Mitigation, Vendor Advisory)
- www.vulncheck.com/advisories/openclaw-scope-bypass-via-inherited-chat-send-route (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-35674?
- CVE-2026-35674 is a high-severity vulnerability in Openclaw, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2026-05-29.
- How severe is CVE-2026-35674?
- High severity. CVSS v3 base score is 8.8 out of 10.