OpenClaw up to 2026.2.20 BlueBubbles Plugin missing authentication

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in OpenClaw up to 2026.2.20. Affected by this issue is some unknown functionality of the component BlueBubbles Plugin. This manipulation causes missing authentication. The identification of this vulnerability is CVE-2026-32896. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in OpenClaw up to 2026.2.20 and classified as critical. Affected by this vulnerability is some unknown processing of the component BlueBubbles Plugin. The manipulation with an unknown input leads to a missing authentication vulnerability. The CWE definition for the vulnerability is CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-32896 since 03/16/2026. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

Upgrading to version 2026.2.21 eliminates this vulnerability. Applying the patch 283029bdea23164ab7482b320cb420d1b90df806 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.6

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔒

CNA Base Score: 4.8
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Missing authentication
CWE: CWE-306 / CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: OpenClaw 2026.2.21
Patch: 283029bdea23164ab7482b320cb420d1b90df806

Timelineinfo

03/16/2026 CVE reserved
03/21/2026 +5 days Advisory disclosed
03/21/2026 +0 days VulDB entry created
05/27/2026 +67 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-5mx2-2mgw-x8rm
Status: Confirmed

CVE: CVE-2026-32896 (🔒)
GCVE (CVE): GCVE-0-2026-32896
GCVE (VulDB): GCVE-100-352309

Entryinfo

Created: 03/21/2026 08:14
Updated: 05/27/2026 03:09
Changes: 03/21/2026 08:14 (79), 03/27/2026 11:26 (12), 05/27/2026 03:09 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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