What is CVE-2026-41299?

CVE-2026-41299 is a high-severity vulnerability in Openclaw, classified under CWE-807. CVSS score: 7.1/10. Published 2026-04-21.

How severe is CVE-2026-41299?

High severity. CVSS v3 base score is 7.1 out of 10.

Vulnerability in Openclaw

CVE-2026-41299

OpenClaw before 2026.3.28 contains an authorization bypass vulnerability in the chat.send gateway method where ACP-only provenance fields are gated by self-declared client metadata from WebSocket handshake rather than verified authorizatio…

EPSS: 0.002 (10.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N.

Affected products

Openclaw — versions 0, 2026.3.28

Weakness classification (CWE)

CWE-807

References

disclosure@vulncheck.com (vendor-advisory, Vendor Advisory)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-41299?: CVE-2026-41299 is a high-severity vulnerability in Openclaw, classified under CWE-807. CVSS score: 7.1/10. Published 2026-04-21.
How severe is CVE-2026-41299?: High severity. CVSS v3 base score is 7.1 out of 10.