| Component | OpenClaw |
| Severity | medium (CVSS 5.3) |
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| Published (NVD) | 2026-05-05 |
| Last modified | 2026-06-17 |
| Affected versions | openclaw >= 2026.4.10, < 2026.4.14 |
| Fixed in | 2026.4.14 |
| Weakness | CWE-862 |
| CISA KEV | not listed |
NVD description
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 invoke requests that are processed without proper validation, allowing unauthorized access to Teams SSO signin functionality.
What to do
- Upgrade OpenClaw to
2026.4.14or later. - Do not expose the component's API or UI to the internet without authentication in front of it.
Sources
- NVD: CVE-2026-43572
- https://github.com/openclaw/openclaw/security/advisories/GHSA-gc9r-867r-j85f
- https://github.com/openclaw/openclaw/commit/80b1fa17bfc3f6a668492f0326ea52f48bb89776
- https://www.vulncheck.com/advisories/openclaw-missing-sender-authorization-in-microsoft-teams-sso-invoke-handler
Read more
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