CVE-2026-77075 n8n before 1.123.69 Expression Injection via Resource Locator

n8n before 1.123.69, 2.x before 2.33.4, and 2.34.x before 2.34.1 contain an expression injection vulnerability in resource-locator field link preview rendering. The editor spliced the field's stored value directly into the node type's URL template without checking for expression syntax. An...

CVE-2026-77075

n8n's editor splices resource-locator field values into node URL templates without expression-syntax checks, enabling an authenticated user to inject JavaScript evaluated in another user's session. CVSS 8.4 HIGH. Affected: <1.123.69, 2.x <2.33.4, 2.34.x

EUVD-2026-63264

n8n before 1.123.69, 2.x before 2.33.4, and 2.34.x before 2.34.1 contain an expression injection vulnerability in resource-locator field link preview rendering. The editor spliced the field's stored value directly into the node type's URL template without checking for expression syntax. An...

CVE-2026-77075 n8n before 1.123.69 Expression Injection via Resource Locator

n8n before 1.123.69, 2.x before 2.33.4, and 2.34.x before 2.34.1 contain an expression injection vulnerability in resource-locator field link preview rendering. The editor spliced the field's stored value directly into the node type's URL template without checking for expression syntax. An...

CVE-2026-77073 n8n before 2.34.1 Cross-Project Credential Access via MCP

n8n versions before 2.34.1 contain a credential validation bypass in the MCP createworkflowfromcode tool when authentication type is set to an expression. Attackers with a valid MCP Bearer API key and knowledge of a target credential ID can persist unauthorized cross-project credential references...

EUVD-2026-63262

n8n versions before 2.34.1 contain a credential validation bypass in the MCP createworkflowfromcode tool when authentication type is set to an expression. Attackers with a valid MCP Bearer API key and knowledge of a target credential ID can persist unauthorized cross-project credential references...

EUVD-2026-63263

n8n versions before 1.123.69 contain a server-side request forgery vulnerability in the Edit Image node's Draw Text operation that allows authenticated users to inject MVG primitives. Attackers can craft malicious text values to issue blind outbound HTTP requests to arbitrary addresses or access...

CVE-2026-77073

n8n versions before 2.34.1 contain a credential validation bypass in the MCP create_workflow_from_code tool when authentication type is set to an expression. An attacker with a valid MCP Bearer API key and a target credential ID can persist unauthorized cross-project credential references on work...

CVE-2026-77074 n8n before 1.123.69 SSRF via Edit Image Node

n8n versions before 1.123.69 contain a server-side request forgery vulnerability in the Edit Image node's Draw Text operation that allows authenticated users to inject MVG primitives. Attackers can craft malicious text values to issue blind outbound HTTP requests to arbitrary addresses or access...

CVE-2026-77074

n8n versions before 1.123.69 contain a server-side request forgery (SSRF) vulnerability in the Edit Image node's Draw Text operation . Authenticated users can inject MVG primitives through crafted text values, enabling blind outbound HTTP requests to arbitrary addresses or access to local files. ...

CVE-2026-77073 n8n before 2.34.1 Cross-Project Credential Access via MCP

n8n versions before 2.34.1 contain a credential validation bypass in the MCP createworkflowfromcode tool when authentication type is set to an expression. Attackers with a valid MCP Bearer API key and knowledge of a target credential ID can persist unauthorized cross-project credential references...

CVE-2026-77074 n8n before 1.123.69 SSRF via Edit Image Node

n8n versions before 1.123.69 contain a server-side request forgery vulnerability in the Edit Image node's Draw Text operation that allows authenticated users to inject MVG primitives. Attackers can craft malicious text values to issue blind outbound HTTP requests to arbitrary addresses or access...

EUVD-2026-63261

n8n before 1.123.69, 2.33.4, and 2.34.1 contains a stored cross-site scripting vulnerability in the Form node's completion page. The completion page applied its sandboxing Content-Security-Policy only when respondWith was not set to 'redirect', but responseText was always rendered as raw HTML. An...

CVE-2026-77072 n8n before 1.123.69 Stored XSS via Form Completion Page

n8n before 1.123.69, 2.33.4, and 2.34.1 contains a stored cross-site scripting vulnerability in the Form node's completion page. The completion page applied its sandboxing Content-Security-Policy only when respondWith was not set to 'redirect', but responseText was always rendered as raw HTML. An...

CVE-2026-77072

n8n before 1.123.69 , 2.33.4 , and 2.34.1 contains a stored cross-site scripting (XSS) vulnerability in the Form node's completion page . The root cause is a logic flaw: the sandboxing Content-Security-Policy was applied only when respondWith was not set to 'redirect', yet responseText was always...

CVE-2026-77072 n8n before 1.123.69 Stored XSS via Form Completion Page

n8n before 1.123.69, 2.33.4, and 2.34.1 contains a stored cross-site scripting vulnerability in the Form node's completion page. The completion page applied its sandboxing Content-Security-Policy only when respondWith was not set to 'redirect', but responseText was always rendered as raw HTML. An...

CVE-2026-77072 n8n before 1.123.69 Stored XSS via Form Completion Page

n8n before 1.123.69, 2.33.4, and 2.34.1 contains a stored cross-site scripting vulnerability in the Form node's completion page. The completion page applied its sandboxing Content-Security-Policy only when respondWith was not set to 'redirect', but responseText was always rendered as raw HTML. An...

CVE-2026-77071 n8n before 1.123.69 PostgREST Filter Injection via Supabase

n8n before 1.123.69, 2.33.4, and 2.34.1 contains a PostgREST filter injection vulnerability in the Supabase node's Row Get Many, Delete, and Update operations, which built filter queries by concatenating an expression-bindable value without escaping. An attacker could inject a condition that...

EUVD-2026-63259

n8n before 1.123.69, 2.33.4, and 2.34.1 contains a NoSQL injection vulnerability in the MongoDB node's Find, Delete, and Aggregate operations, which parse the Query parameter as JSON after expression resolution without sanitizing MongoDB operators. An attacker who can influence the resolved query...

CVE-2026-77070

n8n prior to 1.123.69 , 2.33.4 , and 2.34.1 is vulnerable to NoSQL injection in the MongoDB node 's Find, Delete, and Aggregate operations. The root cause is that the Query parameter is parsed as JSON after expression resolution without sanitizing MongoDB operators , allowing an attacker who can ...