VDB-349408 · CVE-2026-28471 · GHSA-rmxw-jxxx-4cpc

OpenClaw up to 2026.2.1 Matrix Plugin improper authentication

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4.4	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in OpenClaw up to 2026.2.1. This issue affects some unknown processing of the component Matrix Plugin. Executing a manipulation can lead to improper authentication. This vulnerability appears as CVE-2026-28471. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in OpenClaw up to 2026.2.1. This vulnerability affects an unknown part of the component Matrix Plugin. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality. CVE summarizes:

OpenClaw version 2026.1.14-1 prior to 2026.2.2, with the Matrix plugin installed and enabled, contain a vulnerability in which DM allowlist matching could be bypassed by exact-matching against sender display names and localparts without homeserver validation. Remote Matrix users can impersonate allowed identities by using attacker-controlled display names or matching localparts from different homeservers to reach the routing and agent pipeline.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-28471 since 02/27/2026. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

Upgrading to version 2026.2.2 eliminates this vulnerability. Applying the patch 8f3bfbd1c4fb967a2ddb5b4b9a05784920814bcf 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.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Artificial Intelligence Software

Name

OpenClaw

Version

License

open-source

Website

Product: https://github.com/openclaw/openclaw/

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: 4.5
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (VulnCheck): 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: OpenClaw 2026.2.2
Patch: 8f3bfbd1c4fb967a2ddb5b4b9a05784920814bcf

Timelineinfo

02/27/2026 CVE reserved
03/06/2026 +7 days Advisory disclosed
03/06/2026 +0 days VulDB entry created
03/10/2026 +4 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-rmxw-jxxx-4cpc
Status: Confirmed

CVE: CVE-2026-28471 (🔒)
GCVE (CVE): GCVE-0-2026-28471
GCVE (VulDB): GCVE-100-349408

Entryinfo

Created: 03/06/2026 07:52
Updated: 03/10/2026 14:54
Changes: 03/06/2026 07:52 (78), 03/08/2026 01:07 (4), 03/10/2026 14:54 (1)
Complete: 🔍
Cache ID: 216::103