What is CVE-2026-35660?

CVE-2026-35660 is a high-severity vulnerability in Openclaw, classified under Missing Authorization. CVSS score: 8.1/10. Published 2026-04-10.

How severe is CVE-2026-35660?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Openclaw

CVE-2026-35660

OpenClaw before 2026.3.23 contains an insufficient access control vulnerability in the Gateway agent /reset endpoint that allows callers with operator.write permission to reset admin sessions. Attackers with operator.write privileges can invoke /reset or /new messages with an explicit sessionKey to bypass operator.admin requirements and reset arbitrary sessions.

Vulnerability class: Broken Access Control

EPSS: 0.003 (19.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

Affected products

Openclaw — versions 0, 2026.3.23

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-2026-35660?: CVE-2026-35660 is a high-severity vulnerability in Openclaw, classified under Missing Authorization. CVSS score: 8.1/10. Published 2026-04-10.
How severe is CVE-2026-35660?: High severity. CVSS v3 base score is 8.1 out of 10.