PT-2026-51154

Capgo before 12.128.2 contains an authorization bypass vulnerability in webhook management endpoints that allows non-expiring API keys to bypass the require apikey expiration organization policy. The checkWebhookPermission function fails to call apikeyHasOrgRightWithPolicy, enabling attackers wit...

PraisonAI: Webhook signature verification skipped (fail-open) when secret unset, allowing forged inbound webhooks (WhatsApp & Linear bots)

The WhatsApp and Linear bot adapters verify the inbound webhook HMAC signature only when a secret is configured. When the secret environment variable is unset — the default on a fresh install and common in development — verification is skipped entirely and the webhook body is parsed and dispatche...

PraisonAI LinearBot processes unsigned webhooks when LINEAR_WEBHOOK_SECRET is missing

PraisonAI LinearBot processes unsigned webhooks when LINEARWEBHOOKSECRET is missing Summary PraisonAI's LinearBot starts a public webhook listener on 0.0.0.0 and treats LINEARWEBHOOKSECRET as optional. When the secret is absent, startup only logs a warning and handlewebhook skips Linear-Signature...

Important: Red Hat Security Advisory: Custom Metrics Autoscaler Operator for Red Hat OpenShift 2.19.0-1 Update

Custom Metrics Autoscaler Operator for Red Hat OpenShift updates. The following updates for the Custom Metric Autoscaler operator for Red Hat OpenShift are now available: custom-metrics-autoscaler-adapter-container custom-metrics-autoscaler-admission-webhooks-container...

NPM: n8n: Prototype Pollution enables confused-deputy execution via public webhooks

NPM: n8n: Prototype Pollution enables confused-deputy execution via public webhooks vulnerability discovered by ? in WordPress Npm n8n versions 2.25.7...

n8n: Prototype Pollution enables confused-deputy execution via public webhooks

Impact A prototype pollution vulnerability allowed a crafted public webhook payload to inject attacker-controlled fields into workflow data during internal object copying. These fields could be surfaced and consumed as normal values by downstream built-in nodes. Where a workflow combines a public...

PT-2026-50180

Name of the Vulnerable Software and Affected Versions n8n versions prior to 2.24.0 Description The Compression node's Decompress operation expands attacker-controlled archives into memory without enforcing limits on the decompressed output size. An unauthenticated attacker can send a small...

Crawl4AI: Multiple Docker API Vulnerabilities - File Write, SSRF, Auth Bypass, XSS, JS Execution

Multiple security vulnerabilities in the Crawl4AI Docker API server affecting endpoints for crawling, markdown/LLM extraction, screenshots, PDFs, webhooks, monitoring, JavaScript execution, and configuration...

CVE-2026-50875: Improper Access Control

Incorrect access control in the /form/webhooks/webhook endpoint of Deck9 Input v2.0.1 allows authenticated attackers to arbitrarily modify or delete another tenant's webhook via a crafted request...

CVE-2026-47268 Nezha Monitoring: Authenticated DDNS webhook configuration allows blind SSRF from the dashboard host

Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 0.20.0 to before version 2.0.10, an authenticated Nezha dashboard user can create or update a DDNS profile with provider webhook and configure an arbitrary webhookurl, HTTP method, request...

CVE-2026-4986

The WPForms WordPress plugin before 1.10.0.5 does not verify the authenticity of incoming PayPal webhook events before processing them, allowing unauthenticated attackers to forge webhook payloads and manipulate the payment state of arbitrary transactions...

EUVD-2026-35351

The WPForms WordPress plugin before 1.10.0.5 does not verify the authenticity of incoming PayPal webhook events before processing them, allowing unauthenticated attackers to forge webhook payloads and manipulate the payment state of arbitrary transactions...

PT-2026-47688

Name of the Vulnerable Software and Affected Versions WPForms versions prior to 1.10.0.5 Description The plugin fails to verify the authenticity of incoming PayPal webhook events before processing them. This allows unauthenticated attackers to forge webhook payloads and manipulate the payment sta...

EUVD-2026-34954

The WPForms – Easy Form Builder for WordPress – Contact Forms, Payment Forms, Surveys, & More plugin for WordPress is vulnerable to Insufficient Verification of Data Authenticity in versions up to and including 1.10.0.1. This is due to the PayPal Commerce webhook endpoint processing unauthenticat...

CVE-2026-3117

Mattermost Plugins versions =11.5 11.1.5 10.13.11 11.3.4.0 fail to properly check for permissions when processing commands in the Gitlab plugin which allows normal users to uninstall instances or setup webhook connections via the gitlab instance option or the /gitlab webhook option commands...

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...

CVE-2026-44797 Nautobot: Webhook definitions could be used for server-side request forgery (SSRF)

Nautobot is a Network Source of Truth and Network Automation Platform. Prior to 2.4.33 and 3.1.2, Nautobot's Webhook data model and associated feature set could be configured by users with sufficient access to perform requests to various hosts and IP addresses that should not be permitted, allowi...

Elastic Kibana 安全漏洞

Elastic Kibana is a data visualization dashboard software provided by the Elastic company. There is a security vulnerability in Elastic Kibana, which stems from server-side request forgeing. This vulnerability allows authenticated users with connector management privileges to bypass the connectio...

CVE-2026-45298 Dozzle: Pre-auth SSRF with response-body reflection via POST /api/notifications/test-webhook (default no-auth deploy)

Dozzle is a realtime log viewer for docker containers. Prior to 10.5.2, in a default dozzle deploy the documented quickstart, no DOZZLEAUTHPROVIDER set, POST /api/notifications/test-webhook is reachable without authentication and forwards an attacker-controlled URL into a WebhookDispatcher that...

CVE-2026-4915

Mattermost versions 11.6.x = 11.6.0, 11.5.x = 11.5.3, 11.4.x = 11.4.4, 10.11.x = 10.11.14 fail to filter nil elements from outgoing webhook attachment payloads before processing, which allows an authenticated user to cause a denial of service server process termination via a crafted webhook...