What is CVE-2026-35622?

CVE-2026-35622 is a medium-severity vulnerability in Openclaw, classified under Authentication Bypass by Spoofing. CVSS score: 5.9/10. Published 2026-04-09.

How severe is CVE-2026-35622?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Openclaw

CVE-2026-35622

OpenClaw before 2026.3.22 contains an improper authentication verification vulnerability in Google Chat app-url webhook handling that accepts add-on principals outside intended deployment bindings. Attackers can bypass webhook authenticati…

EPSS: 0.001 (22.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N.

Affected products

Openclaw — versions 0, 2026.3.22

Weakness classification (CWE)

CWE-290 — Authentication Bypass by Spoofing

References

GitHub Security Advisory (GHSA-mp66-rf4f-mhh8) (third-party-advisory)
Patch Commit #1 (patch)
Patch Commit #2 (patch)
VulnCheck Advisory: OpenClaw < 2026.3.22 - Improper Authentication Verification in Google Chat Webhook (third-party-advisory)

Frequently asked questions

What is CVE-2026-35622?: CVE-2026-35622 is a medium-severity vulnerability in Openclaw, classified under Authentication Bypass by Spoofing. CVSS score: 5.9/10. Published 2026-04-09.
How severe is CVE-2026-35622?: Medium severity. CVSS v3 base score is 5.9 out of 10.