NPM: n8n: Unauthenticated Endpoint Allows Cancellation of Any User's Active Test Webhook

NPM: n8n: Unauthenticated Endpoint Allows Cancellation of Any User's Active Test Webhook vulnerability discovered by ? in WordPress Npm n8n versions 2.27.4...

GHSA-33Q9-F52J-GC75 n8n: Unauthenticated Endpoint Allows Cancellation of Any User's Active Test Webhook

Impact The DELETE /$restEndpoint/test-webhook/:id route is registered before the authentication middleware is applied, allowing any unauthenticated network caller who knows a workflow ID to cancel that workflow's active test webhook registration. The impact is limited to disrupting in-progress te...

GO-2026-6015 Skipper: Unbounded Request Body Read in Admission Webhook Causes Memory Exhaustion DoS in github.com/zalando/skipper

Skipper: Unbounded Request Body Read in Admission Webhook Causes Memory Exhaustion DoS in github.com/zalando/skipper...

GO-2026-6030 Gitea: Incomplete SSRF Protection in Webhook and Migration Allow-list Default Filter in code.gitea.io/gitea

Gitea: Incomplete SSRF Protection in Webhook and Migration Allow-list Default Filter in code.gitea.io/gitea...

GO-2026-6040 Gitea: Webhook Authorization Header Returned in Plaintext via API in gitea.dev

Gitea: Webhook Authorization Header Returned in Plaintext via API in gitea.dev...

Malicious code in n8n-nodes-task-runner (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 991093c97f0d954740c4b72a2e7725a501df211c94634979ebadc52652f2ebe8 The package impersonates the n8n task-runner subsystem but its shipped n8n node MyNode.js is a no-op stub whose execute returns . The real payload...

MAL-2026-10999 Malicious code in n8n-nodes-task-runner (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 991093c97f0d954740c4b72a2e7725a501df211c94634979ebadc52652f2ebe8 The package impersonates the n8n task-runner subsystem but its shipped n8n node MyNode.js is a no-op stub whose execute returns . The real payload...

CVE-2026-62290 vulnerabilities

Vulnerabilities for packages: cert-manager-openshift-routes, step-issuer-fips, cert-manager-webhook-pdns-fips, aws-privateca-issuer, athenz-csi-driver-fips, athenz-cert-manager-issuer-fips, mariadb-operator, cert-manager-google-cas-issuer, cert-manager-openshift-routes-fips, athenz-csi-driver,...

CVE-2026-16624

Cal.com OSS ships lacks authorization on webhook teamId creation, allowing any authenticated user to create a webhook on any team via unvalidated teamId injection, then steal booking data, including fields like organizer/attendee emails and custom responses, and conditionally video-call passwords...

CVE-2026-16624

CVE-2026-16624 affects Cal.com OSS, where there is an authorization bypass on webhook creation via unvalidated teamId injection. Any authenticated user can create a webhook on any team and potentially exfiltrate booking data (e.g., organizer/attendee emails and custom responses) and, in some case...

EUVD-2026-47769

Cal.com OSS ships lacks authorization on webhook teamId creation, allowing any authenticated user to create a webhook on any team via unvalidated teamId injection, then steal booking data, including fields like organizer/attendee emails and custom responses, and conditionally video-call passwords...

CVE-2026-16624 CVE-2026-16624

Cal.com OSS ships lacks authorization on webhook teamId creation, allowing any authenticated user to create a webhook on any team via unvalidated teamId injection, then steal booking data, including fields like organizer/attendee emails and custom responses, and conditionally video-call passwords...

CVE-2026-16624 CVE-2026-16624

Cal.com OSS ships lacks authorization on webhook teamId creation, allowing any authenticated user to create a webhook on any team via unvalidated teamId injection, then steal booking data, including fields like organizer/attendee emails and custom responses, and conditionally video-call passwords...

GHSA-H9FM-XCV2-QFW3 Duplicate Advisory: Unauthenticated Endpoint Allows Cancellation of Any User's Active Test Webhook

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-33q9-f52j-gc75. This link is maintained to preserve external references. Original Description n8n before 2.28.0 and before 2.27.4 on the 2.27.x branch registers the DELETE /$restEndpoint/test-webhook/:id endpoin...

Duplicate Advisory: Unauthenticated Endpoint Allows Cancellation of Any User's Active Test Webhook

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-33q9-f52j-gc75. This link is maintained to preserve external references. Original Description n8n before 2.28.0 and before 2.27.4 on the 2.27.x branch registers the DELETE /$restEndpoint/test-webhook/:id endpoin...

CVE-2026-65014 n8n before 2.28.0 Authentication Bypass via test-webhook

n8n before 2.28.0 and before 2.27.4 on the 2.27.x branch registers the DELETE /$restEndpoint/test-webhook/:id endpoint before authentication middleware is applied, allowing any unauthenticated network caller who knows a workflow ID to cancel that workflow's active test webhook registration. The...

EUVD-2026-47630

n8n before 2.28.0 and before 2.27.4 on the 2.27.x branch registers the DELETE /$restEndpoint/test-webhook/:id endpoint before authentication middleware is applied, allowing any unauthenticated network caller who knows a workflow ID to cancel that workflow's active test webhook registration. The...

CVE-2026-65014 n8n before 2.28.0 Authentication Bypass via test-webhook

n8n before 2.28.0 and before 2.27.4 on the 2.27.x branch registers the DELETE /$restEndpoint/test-webhook/:id endpoint before authentication middleware is applied, allowing any unauthenticated network caller who knows a workflow ID to cancel that workflow's active test webhook registration. The...

CVE-2026-65014

n8n prior to 2.28.0 (and 2.27.x before 2.27.4) exposes DELETE /${restEndpoint}/test-webhook/:id before authentication, enabling an unauthenticated network caller who knows a workflow ID to cancel the active test webhook registration. The impact is limited to disrupting in-progress test sessions; ...

CVE-2026-65014 n8n before 2.28.0 Authentication Bypass via test-webhook

n8n before 2.28.0 and before 2.27.4 on the 2.27.x branch registers the DELETE /$restEndpoint/test-webhook/:id endpoint before authentication middleware is applied, allowing any unauthenticated network caller who knows a workflow ID to cancel that workflow's active test webhook registration. The...