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VULNERABILITIES

CVE-2026-41405 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/openclaw/openclaw/commit/3834d47099dd13c8244ed6de8b9ea9855c553623 [email protected]Patch
https://github.com/openclaw/openclaw/security/advisories/GHSA-p464-m8x6-vhv8 [email protected]Vendor Advisory
https://www.vulncheck.com/advisories/openclaw-resource-exhaustion-via-unauthenticated-ms-teams-webhook-body-parsing [email protected]Third Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-408Incorrect Behavior Order: Early Amplification[email protected]

Affected Products

ProductVersions
openclaw openclaw
< 2026.3.31

CPE

  • cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-41405
NVD Published Date:
Apr 28, 2026
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2026-41405 Details - Not Deferred