PT-2026-32315 · Npm · Openclaw

Published 2026-04-03 · Updated 2026-04-03

OSV

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Fix

Resource Exhaustion

Weakness Enumeration

CWE-408

CWE-400

Related Identifiers

GHSA-P464-M8X6-VHV8

Affected Products

Openclaw

References · 7

• https://osv.dev/vulnerability/GHSA-p464-m8x6-vhv8 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-41405 · Security Note
• https://github.com/openclaw/openclaw · Note
• https://github.com/openclaw/openclaw/security/advisories/GHSA-p464-m8x6-vhv8 · Note
• https://github.com/openclaw/openclaw/commit/3834d47099dd13c8244ed6de8b9ea9855c553623 · Note
• https://github.com/openclaw/openclaw/releases/tag/v2026.3.31 · Note
• https://vulncheck.com/advisories/openclaw-resource-exhaustion-via-unauthenticated-ms-teams-webhook-body-parsing · Note