What is CVE-2026-35662?

CVE-2026-35662 is a medium-severity vulnerability in Openclaw, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-04-10.

How severe is CVE-2026-35662?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Openclaw

CVE-2026-35662

OpenClaw before 2026.3.22 fails to enforce controlScope restrictions on the send action, allowing leaf subagents to message controlled child sessions beyond their authorized scope. Attackers can exploit this by using the send action to communicate with child sessions without proper scope validation, bypassing intended access control restrictions.

Vulnerability class: Broken Access Control

EPSS: 0.002 (10.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Openclaw — versions 0, 2026.3.22

Weakness classification (CWE)

CWE-862 — Missing Authorization

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-2026-35662?: CVE-2026-35662 is a medium-severity vulnerability in Openclaw, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-04-10.
How severe is CVE-2026-35662?: Medium severity. CVSS v3 base score is 4.3 out of 10.