What is GHSA-p464-m8x6-vhv8?

GHSA-p464-m8x6-vhv8 is a security advisory published by GitHub Security Advisories with High severity. OpenClaw: MS Teams webhook parses body before JWT validation, enabling unauthenticated resource exhaustion

Which CVE IDs does GHSA-p464-m8x6-vhv8 cover?

GHSA-p464-m8x6-vhv8 covers the following CVE IDs: CVE-2026-41405. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-p464-m8x6-vhv8?

GHSA-p464-m8x6-vhv8 has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

Which products are affected by GHSA-p464-m8x6-vhv8?

GHSA-p464-m8x6-vhv8 affects 1 product, including: npm/openclaw:\u003c= 2026.3.28.

GHSA-p464-m8x6-vhv8HighCVSS 7.5

OpenClaw: MS Teams webhook parses body before JWT validation, enabling unauthenticated resource exhaustion

Vendor

GitHub Security Advisories

Published

April 3, 2026

Last Modified

May 6, 2026

🔗 CVE IDs covered (1)

CVE-2026-41405 →

📋 Description

Summary

MS Teams webhook parses body before JWT validation, enabling unauthenticated resource exhaustion

Current Maintainer Triage

Status: open
Normalized severity: medium
Assessment: v2026.3.28 still parses Teams JSON after only a Bearer-prefix gate and before real JWT validation, and the auth-before-parse fix is not yet shipped.

Affected Packages / Versions

Package: openclaw (npm)
Latest published npm version: 2026.3.31
Vulnerable version range: <=2026.3.28
Patched versions: >= 2026.3.31
First stable tag containing the fix: v2026.3.31

Fix Commit(s)

3834d47099dd13c8244ed6de8b9ea9855c553623 — 2026-03-30T13:46:40+01:00

OpenClaw thanks @AntAISecurityLab for reporting.

🎯 Affected products1

npm/openclaw:<= 2026.3.28