CVE-2026-56357 n8n - Webhook Forgery via Missing HMAC-SHA256 Signature Verification in GitHub Webhook Trigger

n8n before 1.123.15 and 2.5.0 contains a webhook forgery vulnerability in the GitHub Webhook Trigger node that fails to implement HMAC-SHA256 signature verification. Attackers who know the webhook URL can send unsigned POST requests to trigger workflows with arbitrary data, spoofing GitHub webhoo...

CVE-2026-56357: Authentication Bypass by Spoofing

n8n before 1.123.15 and 2.5.0 contains a webhook forgery vulnerability in the GitHub Webhook Trigger node that fails to implement HMAC-SHA256 signature verification. Attackers who know the webhook URL can send unsigned POST requests to trigger workflows with arbitrary data, spoofing GitHub webhoo...

CVE-2026-44847

MaxKB is an open-source AI assistant for enterprise. Prior to 2.9.0, MaxKB's webhook trigger endpoint /api/trigger/v1/webhook/triggerid is accessible without authentication. The WebhookAuth class unconditionally returns None, , which Django REST Framework interprets as successful authentication...

CVE-2026-44847 MaxKB: Webhook Trigger Authentication Bypass

MaxKB is an open-source AI assistant for enterprise. Prior to 2.9.0, MaxKB's webhook trigger endpoint /api/trigger/v1/webhook/triggerid is accessible without authentication. The WebhookAuth class unconditionally returns None, , which Django REST Framework interprets as successful authentication...

CVE-2026-44847 MaxKB: Webhook Trigger Authentication Bypass

MaxKB is an open-source AI assistant for enterprise. Prior to 2.9.0, MaxKB's webhook trigger endpoint /api/trigger/v1/webhook/triggerid is accessible without authentication. The WebhookAuth class unconditionally returns None, , which Django REST Framework interprets as successful authentication...

CVE-2026-44847 MaxKB: Webhook Trigger Authentication Bypass

MaxKB is an open-source AI assistant for enterprise. Prior to 2.9.0, MaxKB's webhook trigger endpoint /api/trigger/v1/webhook/triggerid is accessible without authentication. The WebhookAuth class unconditionally returns None, , which Django REST Framework interprets as successful authentication...

CVE-2026-44847

MaxKB (enterprise open-source AI assistant) prior to 2.9.0 exposes its webhook trigger endpoint /api/trigger/v1/webhook/{trigger_id} without authentication. The WebhookAuth class unconditionally returns (None, {}), which Django REST Framework treats as valid authentication, allowing an unauthenti...

MaxKB 访问控制错误漏洞

MaxKB is an open-source question-answering system based on large language models and RAG, developed by 1Panel-dev. Prior to MaxKB 2.9.0, there was an access control vulnerability. This vulnerability stemmed from the Webhook trigger endpoint/api/trigger/v1/webhook/triggerid, which allowed access...

CVE-2026-44847: Improper Authentication

MaxKB is an open-source AI assistant for enterprise. Prior to 2.9.0, MaxKB's webhook trigger endpoint /api/trigger/v1/webhook/triggerid is accessible without authentication. The WebhookAuth class unconditionally returns None, , which Django REST Framework interprets as successful authentication...

CVE-2026-44694: Time-of-check Time-of-use (TOCTOU) Race Condition

n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. From version 2.18.7 to before version 2.50.2, there is an authenticated server-side request forgery vulnerability affecting the webhook trigger tools, the n8n API client N8NAPIURL, a...

Budibase: Unauthenticated Remote Code Execution via Webhook Trigger and Bash Automation Step

Summary An unauthenticated attacker can achieve Remote Code Execution RCE on the Budibase server by triggering an automation that contains a Bash step via the public webhook endpoint. No authentication is required to trigger the exploit. The process executes as root inside the container. Details...

CVE-2026-35216

Budibase is an open-source low-code platform. Prior to version 3.33.4 , an unauthenticated attacker can achieve Remote Code Execution (RCE) on the Budibase server by triggering an automation that contains a ** Bash step** via the public webhook endpoint. The process runs as root inside the contai...

CVE-2026-35216 Budibase: Unauthenticated Remote Code Execution via Webhook Trigger and Bash Automation Step

Budibase is an open-source low-code platform. Prior to version 3.33.4, an unauthenticated attacker can achieve Remote Code Execution RCE on the Budibase server by triggering an automation that contains a Bash step via the public webhook endpoint. No authentication is required to trigger the...

Chatwoot 代码问题漏洞

Chatwoot is an open-source application developed by Chatwoot itself. It serves as an alternative to proprietary solutions such as customer engagement suites, intercom systems, Zendesk, and Salesforce service clouds. Versions of Chatwoot prior to 4.11.2 contained a code vulnerability. This...

User Impersonation

Overview n8n-nodes-base is a Base nodes of n8n Affected versions of this package are vulnerable to User Impersonation via the GitHub Webhook Trigger component. An attacker can trigger unauthorized workflow executions by sending unsigned POST requests to the webhook endpoint, thereby injecting...

n8n: Webhook Forgery on Github Webhook Trigger

Impact An attacker who knows the webhook URL of a workflow using the GitHub Webhook Trigger node could send unsigned POST requests and trigger the workflow with arbitrary data. The node did not implement the HMAC-SHA256 signature verification that GitHub provides to authenticate webhook deliverie...

XML External Entity (XXE)

org.jenkins-ci.plugins, generic-webhook-trigger is vulnerable to XML External Entity XXE. The vulnerability is due to improper XML parser configuration that does not disable external entity processing, which allows an attacker to exploit crafted XML input to access sensitive information or perfor...

EUVD-2022-6991

Malicious code in bioql PyPI...

Directus tokens are not redacted in flow logs, exposing session credentials to all admin

Summary When using Directus Flows with the WebHook trigger, all incoming request details are logged including security sensitive data like access and refresh tokens in cookies. Impact Malicious admins with access to the logs can hijack the user sessions within the token expiration time of them...

GHSA-F24X-RM6G-3W5V Directus tokens are not redacted in flow logs, exposing session credentials to all admin

Summary When using Directus Flows with the WebHook trigger, all incoming request details are logged including security sensitive data like access and refresh tokens in cookies. Impact Malicious admins with access to the logs can hijack the user sessions within the token expiration time of them...