CVE-2026-72861

The github-issue-bot templates in appwrite/templates verify the GitHub webhook signature with an inverted condition. verifyWebhook in node/github-issue-bot/src/github.js and in node-typescript/github-issue-bot/src/github.ts returns "typeof signature !== 'string' || await verify...", so when the...

CVE-2026-71365

A server-side request forgery SSRF vulnerability was found in AWX's webhook status callback mechanism. When processing GitHub pull request webhooks, AWX extracts the status callback URL pullrequest.statusesurl from the incoming webhook payload without validating the target host against the expect...

Vulnerabilities handled in the n8n workflow automation platform

n8n has identified several vulnerabilities in its workflow automation platform, particularly in versions 2.10.1, 2.9.3, 1.123.22, and other related releases. These vulnerabilities affect various components of n8n, including Form nodes, Python Code nodes, JavaScript Task Runner sandboxes, Merge...

CVE-2026-56357

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 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

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 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...

EUVD-2026-38377

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

n8n’s GitHub Webhook Trigger node is affected in versions before 1.123.15 and 2.5.0 due to missing HMAC-SHA256 signature verification. This allows an attacker who knows the webhook URL to send unsigned POST requests, potentially triggering workflows with arbitrary data and spoofing GitHub webhook...

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-2026-12726

A flaw was found in the AWX GitHub webhook integration. When processing GitHub pullrequest webhooks, the controller stores the pullrequest.statusesurl value from the webhook payload without validating that it points to a trusted GitHub API endpoint. If a job template is configured with a GitHub...

CVE-2026-12726 Awx: automation-controller: awx: github webhook second-order ssrf via unvalidated statuses_url exfiltrates pat credential

A flaw was found in the AWX GitHub webhook integration. When processing GitHub pullrequest webhooks, the controller stores the pullrequest.statusesurl value from the webhook payload without validating that it points to a trusted GitHub API endpoint. If a job template is configured with a GitHub...

CVE-2026-12726 Awx: automation-controller: awx: github webhook second-order ssrf via unvalidated statuses_url exfiltrates pat credential

A flaw was found in the AWX GitHub webhook integration. When processing GitHub pullrequest webhooks, the controller stores the pullrequest.statusesurl value from the webhook payload without validating that it points to a trusted GitHub API endpoint. If a job template is configured with a GitHub...

CVE-2026-12726

A flaw was found in the AWX GitHub webhook integration. When processing GitHub pullrequest webhooks, the controller stores the pullrequest.statusesurl value from the webhook payload without validating that it points to a trusted GitHub API endpoint. If a job template is configured with a GitHub...

PT-2026-51010

Name of the Vulnerable Software and Affected Versions AWX affected versions not specified Description A flaw exists in the GitHub webhook integration where the controller stores the pull request.statuses url value from a pull request webhook payload without validating if it points to a trusted...

CVE-2026-12726: Server-Side Request Forgery (SSRF)

A flaw was found in the AWX GitHub webhook integration. When processing GitHub pullrequest webhooks, the controller stores the pullrequest.statusesurl value from the webhook payload without validating that it points to a trusted GitHub API endpoint. If a job template is configured with a GitHub...

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...

PT-2026-51415

Name of the Vulnerable Software and Affected Versions n8n versions prior to 1.123.15 n8n versions prior to 2.5.0 Description The GitHub Webhook Trigger node fails to implement HMAC-SHA256 signature verification, which is a mechanism used to authenticate that a webhook delivery actually comes from...