VULNERABILITY INTELLIGENCE

CVE-2026-41405

CVSS score7.5 HIGH
EPSS probability0.48%
CISA KEVNot currently listed
Published2026-04-28
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

OpenClaw before 2026.3.31 parses MS Teams webhook request bodies before performing JWT validation, allowing unauthenticated attackers to trigger resource exhaustion. Remote attackers can send malicious Teams webhook payloads to exhaust server resources by bypassing authentication checks.

Weakness classification

  • disclosure@vulncheck.com: CWE-408

Primary references