What is CVE-2026-35639?

CVE-2026-35639 is a high-severity vulnerability in Openclaw, classified under CWE-648. CVSS score: 8.8/10. Published 2026-04-09.

How severe is CVE-2026-35639?

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

Vulnerability in Openclaw

CVE-2026-35639

OpenClaw before 2026.3.22 contains a privilege escalation vulnerability in the device.pair.approve method that allows an operator.pairing approver to approve pending device requests with broader operator scopes than the approver actually holds. Attackers can exploit insufficient scope validation to escalate privileges to operator.admin and achieve remote code execution on the Node infrastructure.

EPSS: 0.005 (37.4th 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-648

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-2026-35639?: CVE-2026-35639 is a high-severity vulnerability in Openclaw, classified under CWE-648. CVSS score: 8.8/10. Published 2026-04-09.
How severe is CVE-2026-35639?: High severity. CVSS v3 base score is 8.8 out of 10.