What is CVE-2026-35634?

CVE-2026-35634 is a medium-severity vulnerability in Openclaw, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 5.1/10. Published 2026-04-09.

How severe is CVE-2026-35634?

Medium severity. CVSS v3 base score is 5.1 out of 10.

Vulnerability in Openclaw

CVE-2026-35634

OpenClaw before 2026.3.23 contains an authentication bypass vulnerability in the Canvas gateway where authorizeCanvasRequest() unconditionally allows local-direct requests without validating bearer tokens or canvas capabilities. Attackers…

EPSS: 0.000 (10.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Openclaw — versions 0, 2026.3.23

Weakness classification (CWE)

CWE-288 — Authentication Bypass Using an Alternate Path or Channel

References

GitHub Security Advisory (GHSA-6mqc-jqh6-x8fc) (third-party-advisory)
Patch Commit #1 (patch)
Patch Commit #2 (patch)
VulnCheck Advisory: OpenClaw < 2026.3.23 - Authentication Bypass via Local-Direct Requests in Canvas Gateway (third-party-advisory)

Frequently asked questions

What is CVE-2026-35634?: CVE-2026-35634 is a medium-severity vulnerability in Openclaw, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 5.1/10. Published 2026-04-09.
How severe is CVE-2026-35634?: Medium severity. CVSS v3 base score is 5.1 out of 10.