Missing Authorization Affecting @openclaw/msteams package, versions <2026.5.1-beta.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsSnyk Learn
Learn about Missing Authorization vulnerabilities in an interactive lesson.
Start learning- Snyk IDSNYK-JS-OPENCLAWMSTEAMS-16420269
- published5 May 2026
- disclosed5 May 2026
- creditzsxsoft
Introduced: 5 May 2026
NewCVE-2026-43572 (opens in a new tab)How to fix?
Upgrade @openclaw/msteams to version 2026.5.1-beta.1 or higher.
Overview
@openclaw/msteams is an OpenClaw Microsoft Teams channel plugin
Affected versions of this package are vulnerable to Missing Authorization via the Microsoft Teams SSO invoke handler. An attacker can gain unauthorized access to Teams SSO signin functionality by sending specially crafted SSO invoke requests that are processed without proper sender validation.