CVE-2026-54462

A flaw was found in knative.dev/pkg. The admission webhook handler does not enforce size restrictions on incoming HTTP request bodies. A network client can exploit this vulnerability by submitting an oversized request, causing the controller process to exhaust memory and crash. This results in a...

CVE-2026-112043

A weakness has been identified in calcom cal.com and cal.diy up to 6.2.0. Impacted is the function createWebhookProcedure of the file packages/trpc/server/routers/viewer/webhook/util.ts of the component Webhook Handler. Executing a manipulation of the argument ID can lead to authorization bypass...

CVE-2026-112043 calcom cal.com/cal.diy Webhook util.ts createWebhookProcedure authorization

A weakness has been identified in calcom cal.com and cal.diy up to 6.2.0. Impacted is the function createWebhookProcedure of the file packages/trpc/server/routers/viewer/webhook/util.ts of the component Webhook Handler. Executing a manipulation of the argument ID can lead to authorization bypass...

CVE-2026-112043

A vulnerability exists in calcom cal.com and cal.diy versions up to 6.2.0 . The issue is located in the Webhook Handler component, specifically within the createWebhookProcedure function in packages/trpc/server/routers/viewer/webhook/util.ts. By manipulating the ID argument , an attacker can achi...

CVE-2026-112043 calcom cal.com/cal.diy Webhook util.ts createWebhookProcedure authorization

A weakness has been identified in calcom cal.com and cal.diy up to 6.2.0. Impacted is the function createWebhookProcedure of the file packages/trpc/server/routers/viewer/webhook/util.ts of the component Webhook Handler. Executing a manipulation of the argument ID can lead to authorization bypass...

EUVD-2026-104051

A weakness has been identified in calcom cal.com and cal.diy up to 6.2.0. Impacted is the function createWebhookProcedure of the file packages/trpc/server/routers/viewer/webhook/util.ts of the component Webhook Handler. Executing a manipulation of the argument ID can lead to authorization bypass...

CVE-2026-112043 calcom cal.com/cal.diy Webhook util.ts createWebhookProcedure authorization

A weakness has been identified in calcom cal.com and cal.diy up to 6.2.0. Impacted is the function createWebhookProcedure of the file packages/trpc/server/routers/viewer/webhook/util.ts of the component Webhook Handler. Executing a manipulation of the argument ID can lead to authorization bypass...

CVE-2026-112043: Authorization Bypass Through User-Controlled Key

A weakness has been identified in calcom cal.com and cal.diy up to 6.2.0. Impacted is the function createWebhookProcedure of the file packages/trpc/server/routers/viewer/webhook/util.ts of the component Webhook Handler. Executing a manipulation of the argument ID can lead to authorization bypass...

PT-2026-117213

A weakness has been identified in calcom cal.com and cal.diy up to 6.2.0. Impacted is the function createWebhookProcedure of the file packages/trpc/server/routers/viewer/webhook/util.ts of the component Webhook Handler. Executing a manipulation of the argument ID can lead to authorization bypass...

Cal.com Cal.diy Authorization Issue Vulnerability

Cal.com versions prior to 6.2.0 and cal.diy versions prior to 6.2.0 have an authorization issue vulnerability. This vulnerability stems from improper handling of the parameter ID in the createWebhookProcedure function in the Webhook Handler component. This could lead to remote authorization...

CVE-2026-103245

n8n versions before 1.123.80, from 2.0.0 before 2.39.6, and from 2.40.0 before 2.40.1 fail to verify the x-webflow-signature HMAC in the Webflow Trigger node webhook handler. Unauthenticated attackers can send forged webhook requests with attacker-controlled payloads to trigger workflows and...

CVE-2026-103245

n8n versions before 1.123.80, from 2.0.0 before 2.39.6, and from 2.40.0 before 2.40.1 fail to verify the x-webflow-signature HMAC in the Webflow Trigger node webhook handler. Unauthenticated attackers can send forged webhook requests with attacker-controlled payloads to trigger workflows and...

PT-2026-103778

n8n versions before 1.123.80, from 2.0.0 before 2.39.6, and from 2.40.0 before 2.40.1 fail to verify the x-webflow-signature HMAC in the Webflow Trigger node webhook handler. Unauthenticated attackers can send forged webhook requests with attacker-controlled payloads to trigger workflows and...

CVE-2026-103245: Improper Verification of Cryptographic Signature

n8n versions before 1.123.80, from 2.0.0 before 2.39.6, and from 2.40.0 before 2.40.1 fail to verify the x-webflow-signature HMAC in the Webflow Trigger node webhook handler. Unauthenticated attackers can send forged webhook requests with attacker-controlled payloads to trigger workflows and...

PT-2026-95797

Name of the Vulnerable Software and Affected Versions Payment Gateway of Stripe for WooCommerce versions prior to 5.0.9 Description Improper Verification of Cryptographic Signature occurs due to the woocommerce api wt stripe webhook endpoint EH Stripe Webhook Handler::handle failing to execute th...

EUVD-2026-77599

PraisonAI is a multi-agent teams system. Prior to 4.6.59, the WhatsApp and Linear bot webhook handlers verify HMAC signatures only when WHATSAPPAPPSECRET or LINEARWEBHOOKSECRET is configured and otherwise parse and dispatch unsigned request bodies. A remote unauthenticated client that reaches the...

CVE-2026-73315: Server-Side Request Forgery (SSRF)

XenForo before 2.3.13 contains a server-side request forgery vulnerability in the PayPal REST webhook handler that allows unauthenticated attackers to cause the server to make outbound HTTP requests to arbitrary destinations by supplying a crafted certificate URL in webhook headers without scheme...

CVE-2026-73314: Improper Check for Unusual or Exceptional Conditions

XenForo before 2.3.13 contains a signature verification logic error in the PayPal REST webhook handler that allows unauthenticated attackers to bypass payment signature validation by submitting a webhook request with an unsupported authalgo header value. When the algorithm cannot be mapped to a...

CVE-2026-86486

In JetBrains YouTrack before 2026.2.18634 the generic VCS webhook handler failed open when its secret was blank...

CVE-2026-86486: Missing Authentication for Critical Function

In JetBrains YouTrack before 2026.2.18634 the generic VCS webhook handler failed open when its secret was blank...