---
id: CVE-2026-32896
title: >-
  The BlueBubbles webhook handler in OpenClaw versions prior to 2026.2.21
  contains a passwordless fallback authentication path that allows
  unauthenticated webhook events in certain reverse-proxy or local routing
  configurations
summary: >-
  The BlueBubbles webhook handler in OpenClaw versions prior to 2026.2.21
  contains a passwordless fallback authentication path that allows
  unauthenticated webhook events in certain reverse-proxy or local routing
  configurations. Attackers c…
severity: medium
cvss: 4.8
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N'
cwe:
  - CWE-306
vendor: openclaw
product: openclaw
affected:
  - openclaw < 2026.2.21
patched:
  - openclaw 2026.2.21
published: '2026-03-21'
updated: '2026-09-17'
sourceUpdated: '2026-09-17T18:16:41.327'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-32896'
references:
  - url: >-
      https://github.com/openclaw/openclaw/commit/283029bdea23164ab7482b320cb420d1b90df806
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/openclaw/openclaw/commit/6b2f2811dc623e5faaf2f76afaa9279637174590
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/openclaw/openclaw/security/advisories/GHSA-5mx2-2mgw-x8rm
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/openclaw-unauthenticated-webhook-access-via-passwordless-fallback-in-bluebubbles-plugin
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-03-23T16:46:19.363742Z'
epss: 0.0043
epssPercentile: 0.34557
ingestedAt: '2026-09-17T18:25:15.968Z'
---

## Overview

The BlueBubbles webhook handler in OpenClaw versions prior to 2026.2.21 contains a passwordless fallback authentication path that allows unauthenticated webhook events in certain reverse-proxy or local routing configurations. Attackers can bypass webhook authentication by exploiting the loopback/proxy heuristics to send unauthenticated webhook events to the BlueBubbles plugin.

## Affected

- `openclaw < 2026.2.21`

## Remediation

Upgrade past the affected range:

- `openclaw 2026.2.21`