CVE-2026-54305

n8n is an open source workflow automation platform. Prior to 1.123.55, 2.25.7, and 2.26.2, three EE endpoints used by the Dynamic Credentials feature accepted any authenticated n8n session without performing per-resource ownership or scope checks on the target workflow or credential. An...

CVE-2026-44791

n8n is an open source workflow automation platform. Prior to 1.123.43, 2.22.1, and 2.20.7, an authenticated user with permission to create or modify workflows could bypass the patch for CVE-2026-42232 in the XML node. When combined with other nodes, this could lead to RCE on the n8n host. This...

CVE-2026-44790

n8n is an open source workflow automation platform. Prior to 1.123.43, 2.22.1, and 2.20.7, an authenticated user with permission to create or modify workflows could inject CLI flags on the Git node's Push operation allowing an attacker to read arbitrary files from the n8n server potentially leadi...

CVE-2026-54303

n8n is an open source workflow automation platform. Prior to 2.24.0, an endpoint in the Meta and Microsoft Teams trigger nodes reflects a query parameter into the HTTP response without sanitization or Content-Security-Policy headers, enabling reflected XSS in the n8n origin when a logged-in user...

CVE-2026-44791

CVE-2026-44791 (n8n): Affected product: n8n (open source workflow automation). Background: prior to 1.123.43, 2.20.7, and 2.22.1, an authenticated user with permission to create/modify workflows could bypass the XML node patch for CVE-2026-42232, enabling global prototype pollution in the XML Nod...

CVE-2026-44790

CVE-2026-44790 affects the n8n platform. An authenticated user with permission to create or modify workflows can inject CLI flags on the Git node’s Push operation, enabling reading of arbitrary files from the n8n server and potentially leading to full compromise. Public details confirm the issue ...

CVE-2026-44790 n8n: Arbitrary File Read via Git Node

n8n is an open source workflow automation platform. Prior to 1.123.43, 2.22.1, and 2.20.7, an authenticated user with permission to create or modify workflows could inject CLI flags on the Git node's Push operation allowing an attacker to read arbitrary files from the n8n server potentially leadi...

CVE-2026-45732

CVE-2026-45732 affects n8n, an open-source workflow automation platform. The vulnerability lies in the OAuth1/OAuth2 credential reconnect endpoints, which incorrectly authorize access using credential:read instead of credential:update. An authenticated user with read-only access to a shared crede...

CVE-2026-49444

CVE-2026-49444 affects n8n prior to versions 1.123.48, 2.21.8, and 2.22.4 where an authenticated user with permission to create/modify workflows containing a Python Code Node could escape the sandbox and achieve arbitrary code execution on the task runner container. The issue is fixed in 1.123.48...

CVE-2026-54309

CVE-2026-54309 affects n8n when the MCP Browser is run with HTTP transport. The MCP endpoint accepts session initialization and tool invocation without authentication, enabling unauthenticated callers (including websites visited by the user) to access browser-control tools (navigation, JavaScript...

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...

GHSA-MHRX-QHRJ-673W n8n Has a Source Control Pull SQL Injection

Impact An attacker with write access to the git repository connected to an n8n Source Control configuration could commit a malicious Data Table JSON file containing a crafted column name. When an administrator performed a Source Control Pull, n8n imported the file and could lead to SQL injection ...

CVE-2026-42236 n8n: Unauthenticated Denial of Service via MCP Client Registration

n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, the MCP OAuth client registration endpoint accepted unauthenticated requests and stored client data without adequate resource controls. An unauthenticated remote attacker could exhaust server memor...

CVE-2026-42236

n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, the MCP OAuth client registration endpoint accepted unauthenticated requests and stored client data without adequate resource controls. An unauthenticated remote attacker could exhaust server memor...

CVE-2026-42236 n8n: Unauthenticated Denial of Service via MCP Client Registration

n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, the MCP OAuth client registration endpoint accepted unauthenticated requests and stored client data without adequate resource controls. An unauthenticated remote attacker could exhaust server memor...

CVE-2026-42235

CVE-2026-42235 affects the n8n open-source workflow automation platform. An unauthenticated attacker could register a malicious MCP OAuth client with a crafted client_name. If a victim user approves the OAuth consent and another user later revokes that access, a toast renders the injected script,...

CVE-2026-42235

n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, an unauthenticated attacker could register a malicious MCP OAuth client with a crafted clientname. If a victim user authorized the OAuth consent dialog and a second user subsequently revoked that...

CVE-2026-42231

n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, a flaw in the xml2js library used to parse XML request bodies in n8n's webhook handler allowed prototype pollution via a crafted XML payload. An authenticated user with permission to create or modi...

CVE-2026-42231

n8n (open source workflow automation platform) is affected by CVE-2026-42231 due to a prototype pollution flaw in the xml2js XML request body parser within the webhook handler. The vulnerability, exploitable by an authenticated user with permission to create or modify workflows, can be chained wi...

CVE-2026-42228

n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, the /chat WebSocket endpoint used by the Chat Trigger node's Hosted Chat feature did not verify that an incoming connection was authorized to interact with the target execution. An unauthenticated...