OpenClaw versions prior to 2026.2.21 BlueBubbles webhook handler 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.

Attack Vector Network

Attack Complexity High

Privileges Required None

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
OpenClaw OpenClaw unaffected
Version Status Constraints
0 affected < 2026.2.21
2026.2.21 unaffected —

No data.

No data.

No data.

Project Subscriptions

Vendors Products
Openclaw Subscribe
Openclaw Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/openclaw/openclaw/commit/283029bdea23164ab7482b320cb420d1b90df806 cve-icon cve-icon
https://github.com/openclaw/openclaw/commit/6b2f2811dc623e5faaf2f76afaa9279637174590 cve-icon cve-icon
https://github.com/openclaw/openclaw/security/advisories/GHSA-5mx2-2mgw-x8rm cve-icon cve-icon
https://www.vulncheck.com/advisories/openclaw-unauthenticated-webhook-access-via-passwordless-fallback-in-bluebubbles-plugin cve-icon cve-icon
History

Sat, 21 Mar 2026 05:30:00 +0000

Type Values Removed Values Added
Description OpenClaw versions prior to 2026.2.21 BlueBubbles webhook handler 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.
Title OpenClaw < 2026.2.21 - Unauthenticated Webhook Access via Passwordless Fallback in BlueBubbles Plugin
First Time appeared Openclaw
Openclaw openclaw
Weaknesses CWE-306
CPEs cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
Vendors & Products Openclaw
Openclaw openclaw
References
Metrics cvssV3_1

{'score': 4.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N'}

cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-03-21T00:42:32.222Z

Reserved: 2026-03-16T21:18:44.711Z

Link: CVE-2026-32896

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-03-21T01:17:10.510

Modified: 2026-03-21T01:17:10.510

Link: CVE-2026-32896

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses