CVE-2026-5167

The Masteriyo LMS – Online Course Builder for eLearning, LMS & Education plugin for WordPress is vulnerable to Authorization Bypass Through User-Controlled Key in versions up to and including 2.1.7. This is due to insufficient webhook signature verification in the handlewebhook function. The...

PT-2026-39196

Name of the Vulnerable Software and Affected Versions Plunk versions prior to 0.9.0 Description The '/webhooks/sns' endpoint accepts Amazon SNS notification payloads from unauthenticated requests without verifying the SNS signature, certificate, or topic ARN. This allows an unauthenticated attack...

EUVD-2026-25092

RustFS: Missing admin authorization on notification target endpoints allows unauthenticated configuration of event webhooks...

Insecure Default Initialization of Resource

Overview @openclaw/feishu is an OpenClaw Feishu/Lark channel plugin community maintained by @m1heng Affected versions of this package are vulnerable to Insecure Default Initialization of Resource via improper validation of the encryptKey configuration and blank callback tokens. An attacker can ga...

CVE-2026-3641

The Appmax WordPress plugin (up to version 1.0.3) exposes a public REST API webhook at /webhook-system that lacks webhook signature verification or authentication. The plugin directly processes untrusted input from the 'event' and 'data' parameters, enabling unauthenticated attackers to alter Woo...

EUVD-2026-8854

Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, several webhook endpoints SendGrid, Mailjet, Mandrill, Postmark, SparkPost in the WebhooksController accepted requests without a valid authentication token when no token was configured. This...

GHSA-FHVM-J76F-QMJV OpenClaw has a potential access-group authorization bypass if channel type lookup fails

Summary When Telegram webhook mode is enabled without a configured webhook secret, OpenClaw may accept unauthenticated HTTP POST requests at the Telegram webhook endpoint and trust attacker-controlled update JSON. This can allow forged Telegram updates that spoof message.from.id / chat.id,...

N8n < 2.2.2 Unauthenticated Forged Webhooks

According to its banner, the version of n8n running on the remote host is 0.150 or later and before 2.2.2. It is, therefore, affected by an authentication bypass in the Stripe trigger, allowing unauthenticated parties to trigger workflows by sending forget Stripe webhook events. Note that the...

CVE-2026-0656

The CVE-2026-0656 entry concerns the iPaymu Payment Gateway for WooCommerce (WordPress). Wordfence reports a Missing Authentication flaw in webhook handling (function check_ipaymu_response) across versions up to 2.0.2, due to lack of signature verification and origin checks. This allows unauthent...

PT-2023-28150 · Unknown · Home Assistant

Name of the Vulnerable Software and Affected Versions: Home Assistant versions prior to 2023.9.0 Description: The issue affects Home Assistant, an open-source home automation system. Webhooks in the webhook component can be triggered via the .ui.nabu.casa URL without authentication, even when...

Jenkins Plugin XP-Dev 安全漏洞

Jenkins and Jenkins Plugin are both Jenkins open source products.Jenkins is a software application . An open source automation server Jenkins provides hundreds of plugins to support building, deploying, and automating any project.Jenkins Plugin is a software application. A security vulnerability...