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OpenClaw < 2026.2.1 Authentication Bypass (GHSA-mp5h-m6qj-6292)

high Nessus Plugin ID 299793

Synopsis

The remote host is affected by an authentication bypass vulnerability.

Description

The version of OpenClaw installed on the remote host is prior to 2026.2.1. It is, therefore, affected by an authentication bypass vulnerability:

 - If channels.telegram.webhookSecret is not set when in Telegram webhook mode, OpenClaw may accept webhook HTTP requests without verifying Telegram's secret token header, allowing forged Telegram updates that could lead to unintended bot actions. (CVE-2026-25474)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to OpenClaw version 2026.2.1 or later.

See Also

http://www.nessus.org/u?33258d8d

Plugin Details

Severity: High

ID: 299793

File Name: openclaw_2026_2_1.nasl

Version: 1.1

Type: local

Agent: windows, macosx, unix

Published: 2/23/2026

Updated: 2/23/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:C/A:N

CVSS Score Source: CVE-2026-25474

CVSS v3

Risk Factor: High

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Vulnerability Information

CPE: cpe:/a:openclaw:openclaw, x-cpe:/a:molty:moltbot

Required KB Items: installed_sw/Molty Clawdbot Moltbot

Patch Publication Date: 2/2/2026

Vulnerability Publication Date: 2/14/2026

Reference Information

CVE: CVE-2026-25474