GO-2026-5153 Mattermost MS Teams plugin doesn't limit the request body size on the /changes webhook endpoint in github.com/mattermost/mattermost-plugin-msteams

Mattermost MS Teams plugin doesn't limit the request body size on the /changes webhook endpoint in github.com/mattermost/mattermost-plugin-msteams...

User Impersonation

Overview @n8n/n8n-nodes-langchain is a Affected versions of this package are vulnerable to User Impersonation via the MicrosoftAgent365Trigger node failing to validate inbound requests. An attacker can execute workflows with attacker-controlled data by submitting forged payloads to the webhook UR...

CVE-2026-56351 n8n - SQL Injection in MySQL, PostgreSQL, and Microsoft SQL Nodes

n8n before version 2.4.0 contains a sql injection vulnerability in MySQL, PostgreSQL, and Microsoft SQL nodes that allows authenticated users to inject arbitrary SQL through unescaped identifier values in node configuration parameters. Attackers with workflow creation permissions can supply...

CVE-2026-56351

CVE-2026-56351 affects n8n prior to 2.4.0. A SQL injection exists in the MySQL, PostgreSQL, and Microsoft SQL nodes, where unescaped identifier values in node configuration parameters can be exploited by an authenticated user with workflow-creation permissions to inject arbitrary SQL and compromi...

CVE-2026-56351 n8n - SQL Injection in MySQL, PostgreSQL, and Microsoft SQL Nodes

n8n before version 2.4.0 contains a sql injection vulnerability in MySQL, PostgreSQL, and Microsoft SQL nodes that allows authenticated users to inject arbitrary SQL through unescaped identifier values in node configuration parameters. Attackers with workflow creation permissions can supply...

CVE-2026-56270 Flowise - Unauthenticated OAuth Secrets Disclosure via /api/v1/loginmethod Endpoint

Flowise before 3.1.0 versions 3.0.13 and earlier contains a missing authentication vulnerability in the /api/v1/loginmethod endpoint that allows unauthenticated users to retrieve an organization's complete SSO configuration, including OAuth client secrets in cleartext, by providing an...

Cross-site Scripting (XSS)

Overview n8n-nodes-base is a Base nodes of n8n Affected versions of this package are vulnerable to Cross-site Scripting XSS via the webhook verification endpoints in the Meta, WhatsApp and Microsoft Teams trigger nodes, where a query parameter is reflected into the HTTP response without proper...

Prototype Pollution

Overview n8n-nodes-base is a Base nodes of n8n Affected versions of this package are vulnerable to Prototype Pollution via the Microsoft SQL node’s createTableStruct and related table-grouping logic in MicrosoftSql.node.ts and GenericFunctions.ts. An authenticated user who can create or modify...

‘Cordyceps’ CI/CD Flaw Exposes Microsoft, Google, Apache Repos to Pipeline Hijacking

Novee Security reveals Cordyceps, a CI/CD vulnerability in GitHub Actions workflows that let anonymous users poison builds and expose tokens across major projects today...

CVE-2026-54312

n8n is an open source workflow automation platform. Prior to 2.24.0, an authenticated user with permission to create or modify workflows could achieve global prototype pollution via the Microsoft SQL node by supplying a crafted value as the table parameter. This pollutes Object.prototype...

CVE-2026-54308 n8n: Missing Token Validation on Microsoft Agent 365 Trigger Node

n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, the MicrosoftAgent365Trigger and StripeTrigger node did not validate that inbound requests. As a result, an unauthenticated attacker who knows the webhook URL could submit a forged payload and cause the workflow to...

CVE-2026-54308 n8n: Missing Token Validation on Microsoft Agent 365 Trigger Node

n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, the MicrosoftAgent365Trigger and StripeTrigger node did not validate that inbound requests. As a result, an unauthenticated attacker who knows the webhook URL could submit a forged payload and cause the workflow to...

CVE-2026-54308 n8n: Missing Token Validation on Microsoft Agent 365 Trigger Node

n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, the MicrosoftAgent365Trigger and StripeTrigger node did not validate that inbound requests. As a result, an unauthenticated attacker who knows the webhook URL could submit a forged payload and cause the workflow to...

CVE-2026-54308

n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, the MicrosoftAgent365Trigger and StripeTrigger node did not validate that inbound requests. As a result, an unauthenticated attacker who knows the webhook URL could submit a forged payload and cause the workflow to...

CVE-2026-54308

CVE-2026-54308 affects the n8n platform, specifically versions prior to 2.25.7 and 2.26.2. The MicrosoftAgent365Trigger and StripeTrigger nodes did not validate inbound requests, enabling an unauthenticated attacker who knows the webhook URL to submit a forged payload and cause workflow execution...

EUVD-2026-38473

n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, the MicrosoftAgent365Trigger and StripeTrigger node did not validate that inbound requests. As a result, an unauthenticated attacker who knows the webhook URL could submit a forged payload and cause the workflow to...

CVE-2026-54312 n8n: Microsoft SQL Node Prototype Pollution

n8n is an open source workflow automation platform. Prior to 2.24.0, an authenticated user with permission to create or modify workflows could achieve global prototype pollution via the Microsoft SQL node by supplying a crafted value as the table parameter. This pollutes Object.prototype...

CVE-2026-54312

The CVE-2026-54312 entry concerns n8n, an open-source workflow automation platform. Affected component: the Microsoft SQL node, where an authenticated user with workflow edit rights could trigger global prototype pollution by supplying a crafted value for the table parameter. This would pollute O...

CVE-2026-54312 n8n: Microsoft SQL Node Prototype Pollution

n8n is an open source workflow automation platform. Prior to 2.24.0, an authenticated user with permission to create or modify workflows could achieve global prototype pollution via the Microsoft SQL node by supplying a crafted value as the table parameter. This pollutes Object.prototype...

CVE-2026-54312

n8n is an open source workflow automation platform. Prior to 2.24.0, an authenticated user with permission to create or modify workflows could achieve global prototype pollution via the Microsoft SQL node by supplying a crafted value as the table parameter. This pollutes Object.prototype...