What is CVE-2026-43572?

CVE-2026-43572 is a medium-severity vulnerability in Openclaw, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-05-05.

How severe is CVE-2026-43572?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Openclaw

CVE-2026-43572

OpenClaw versions 2026.4.10 before 2026.4.14 contain a missing authorization vulnerability in the Microsoft Teams SSO invoke handler that fails to apply sender allowlist checks. Attackers can bypass sender authorization by sending SSO invo…

Vulnerability class: Broken Access Control

EPSS: 0.000 (11.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Openclaw — versions 2026.4.10, 2026.4.14

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

GitHub Security Advisory (GHSA-gc9r-867r-j85f) (vendor-advisory, Vendor Advisory)
Patch Commit (Patch, patch)
VulnCheck Advisory: OpenClaw 2026.4.10 < 2026.4.14 - Missing Sender Authorization in Microsoft Teams SSO Invoke Handler (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-43572?: CVE-2026-43572 is a medium-severity vulnerability in Openclaw, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-05-05.
How severe is CVE-2026-43572?: Medium severity. CVSS v3 base score is 5.3 out of 10.