PYSEC-2026-4233 Langflow: Unauthenticated Flow Execution via Webhook Authentication Bypass

Summary A vulnerability in Langflow's webhook authentication logic allows unauthenticated users to trigger the execution of any flow. The system incorrectly bypasses API key validation when the WEBHOOKAUTHENABLE configuration is set to False. This allows a remote attacker who knows a flow's UUID ...

Langflow: Unauthenticated Flow Execution via Webhook Authentication Bypass

Summary A vulnerability in Langflow's webhook authentication logic allows unauthenticated users to trigger the execution of any flow. The system incorrectly bypasses API key validation when the WEBHOOKAUTHENABLE configuration is set to False. This allows a remote attacker who knows a flow's UUID ...

EUVD-2026-45272

Langflow: Unauthenticated Flow Execution via Webhook Authentication Bypass...

CVE-2026-73840

OpenChoreo is a complete, open-source developer platform for Kubernetes. Prior to 1.0.3, 1.1.3, and 1.2.0-rc.2, the POST /api/v1alpha1/autobuild endpoint in internal/openchoreo-api/api/handlers/webhookhandler.go selected a webhook provider from caller-controlled X-Event-Key, accepted Bitbucket...

pytonapi has a Webhook Custom Path Authentication Bypass

Webhook Custom Path Authentication Bypass in pytonapi SummaryTonapiWebhookDispatcher in pytonapi 2.2.0 fails to validate the Authorization header when a webhook handler is registered with the documented path= argument. During setup, bearer tokens are stored only under the default suffix paths e.g...

CVE-2026-54635 pytonapi has a Webhook Custom Path Authentication Bypass

pytonapi is a Python SDK for TONAPI that provides REST API, streaming, and webhook access to the TON blockchain. From 2.0.0 to 2.2.0, TonapiWebhookDispatcher fails to validate the Authorization header when a webhook handler is registered with the documented path argument, because setup stores...

CVE-2026-54635

pytonapi is a Python SDK for TONAPI that provides REST API, streaming, and webhook access to the TON blockchain. From 2.0.0 to 2.2.0, TonapiWebhookDispatcher fails to validate the Authorization header when a webhook handler is registered with the documented path argument, because setup stores...

GHSA-3FCR-JVGP-7F58 pytonapi has a Webhook Custom Path Authentication Bypass

Webhook Custom Path Authentication Bypass in pytonapi Summary TonapiWebhookDispatcher in pytonapi 2.2.0 fails to validate the Authorization header when a webhook handler is registered with the documented path= argument. During setup, bearer tokens are stored only under the default suffix paths...

PT-2026-65546

Name of the Vulnerable Software and Affected Versions pytonapi versions 2.0.0 through 2.2.0 Description TonapiWebhookDispatcher fails to validate the Authorization header when a webhook handler is registered using the path argument. During the setup process, bearer tokens are only stored under...

Server-side Request Forgery (SSRF)

Overview n8n-nodes-base is a Base nodes of n8n Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via improper handling of message fields in the Send Email node. An attacker can access arbitrary files or initiate unauthorized network requests by supplying crafted...

Incorrect Implementation of Authentication Algorithm

Overview getgrav/grav is a Modern, Crazy Fast, Ridiculously Easy and Amazingly Powerful Flat-File CMS. Affected versions of this package are vulnerable to Incorrect Implementation of Authentication Algorithm via the webhook token validation process. An attacker can execute arbitrary scheduled job...

Duplicate Advisory: Unauthenticated Flow Execution via Webhook Authentication Bypass

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-cf6m-vc3m-7cgm. This link is maintained to preserve external references. Original Description IBM Langflow OSS 1.0.0 through 1.10.0 has a vulnerability in Langflow's webhook authentication logic allows...

GHSA-9CC5-J3QQ-69GV Duplicate Advisory: Unauthenticated Flow Execution via Webhook Authentication Bypass

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-cf6m-vc3m-7cgm. This link is maintained to preserve external references. Original Description IBM Langflow OSS 1.0.0 through 1.10.0 has a vulnerability in Langflow's webhook authentication logic allows...

CVE-2026-8505

IBM Langflow OSS 1.0.0 through 1.10.0 has a vulnerability in Langflow's webhook authentication logic allows unauthenticated users to trigger the execution of any flow. The system incorrectly bypasses API key validation when the WEBHOOKAUTHENABLE configuration is set to False which is the default...

CVE-2026-8505 Authentication Bypass in Webhook Endpoints Allowed Unauthorized Flow Execution

IBM Langflow OSS 1.0.0 through 1.10.0 has a vulnerability in Langflow's webhook authentication logic allows unauthenticated users to trigger the execution of any flow. The system incorrectly bypasses API key validation when the WEBHOOKAUTHENABLE configuration is set to False which is the default...

CVE-2026-8505 Authentication Bypass in Webhook Endpoints Allowed Unauthorized Flow Execution

IBM Langflow OSS 1.0.0 through 1.10.0 has a vulnerability in Langflow's webhook authentication logic allows unauthenticated users to trigger the execution of any flow. The system incorrectly bypasses API key validation when the WEBHOOKAUTHENABLE configuration is set to False which is the default...

CVE-2026-8505: Missing Authentication for Critical Function

IBM Langflow OSS 1.0.0 through 1.10.0 has a vulnerability in Langflow's webhook authentication logic allows unauthenticated users to trigger the execution of any flow. The system incorrectly bypasses API key validation when the WEBHOOKAUTHENABLE configuration is set to False which is the default...

PT-2026-60866

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.10.0 Description A flaw in the webhook authentication logic allows unauthenticated users to trigger the execution of any flow. The system incorrectly bypasses API key validation when the WEBHOOK AUTH...

SQL Injection

Overview n8n is a n8n Workflow Automation Tool Affected versions of this package are vulnerable to SQL Injection in the MySQL v1 node's executeQuery operation, which interpolates evaluated ... expression values directly into raw SQL strings without parameterization. An attacker can execute...

PT-2026-54763

Name of the Vulnerable Software and Affected Versions Rancher Fleet affected versions not specified Description An authentication bypass exists in the webhook component. Additionally, a Pod Security Standard PSS bypass can be achieved through the manipulation of namespace labels. Recommendations ...