CVE-2026-103252 n8n before 1.123.80, 2.39.6, and 2.40.1 Information Disclosure via Credential Test Endpoint

n8n versions before 1.123.80, from 2.0.0 before 2.39.6, and from 2.40.0 before 2.40.1 contain an authorization bypass vulnerability in the credential test endpoint that resolves project-scoped variables without validating caller access. Attackers can specify an arbitrary project ID in the request...

CVE-2026-103252 n8n before 1.123.80, 2.39.6, and 2.40.1 Information Disclosure via Credential Test Endpoint

n8n versions before 1.123.80, from 2.0.0 before 2.39.6, and from 2.40.0 before 2.40.1 contain an authorization bypass vulnerability in the credential test endpoint that resolves project-scoped variables without validating caller access. Attackers can specify an arbitrary project ID in the request...

EUVD-2026-90646

n8n versions before 1.123.80, from 2.0.0 before 2.39.6, and from 2.40.0 before 2.40.1 contain an authorization bypass vulnerability in the credential test endpoint that resolves project-scoped variables without validating caller access. Attackers can specify an arbitrary project ID in the request...

CVE-2026-103247

Versions of n8n before 1.123.80 are vulnerable to a credential tampering flaw caused by duplicate node IDs . Attackers with editor access to shared workflows can exploit mismatched node ID and name matching to bypass the workflow credential tamper guard. This allows the attacker to retain victim ...

EUVD-2026-90751

n8n versions before 1.123.80 contain a credential tampering vulnerability where duplicate node IDs bypass the workflow credential tamper guard. Attackers with editor access to shared workflows can exploit mismatched node ID and name matching to retain victim credentials and redirect secrets to...

CVE-2026-103247 n8n before 1.123.80 Credential Tampering via Duplicate Node IDs

n8n versions before 1.123.80 contain a credential tampering vulnerability where duplicate node IDs bypass the workflow credential tamper guard. Attackers with editor access to shared workflows can exploit mismatched node ID and name matching to retain victim credentials and redirect secrets to...

CVE-2026-103247 n8n before 1.123.80 Credential Tampering via Duplicate Node IDs

n8n versions before 1.123.80 contain a credential tampering vulnerability where duplicate node IDs bypass the workflow credential tamper guard. Attackers with editor access to shared workflows can exploit mismatched node ID and name matching to retain victim credentials and redirect secrets to...

CVE-2026-103247 n8n before 1.123.80 Credential Tampering via Duplicate Node IDs

n8n versions before 1.123.80 contain a credential tampering vulnerability where duplicate node IDs bypass the workflow credential tamper guard. Attackers with editor access to shared workflows can exploit mismatched node ID and name matching to retain victim credentials and redirect secrets to...

CVE-2026-103246 n8n before 2.39.6 and 2.40.x before 2.40.1 Credential Disclosure via Node-Tool Introspection

n8n versions before 2.39.6 and 2.40.0 before 2.40.1 fail to validate credential ownership during inline agent node-tool introspection. Attackers can reference arbitrary credential IDs to decrypt and exfiltrate plaintext secrets to attacker-controlled hosts without ownership verification...

CVE-2026-103246

The n8n workflow automation tool is vulnerable to Credential Disclosure in versions prior to 2.39.6 and 2.40.x before 2.40.1 . The root cause is a failure to validate credential ownership during inline agent node-tool introspection . An attacker can reference arbitrary credential IDs to decrypt a...

CVE-2026-103246 n8n before 2.39.6 and 2.40.x before 2.40.1 Credential Disclosure via Node-Tool Introspection

n8n versions before 2.39.6 and 2.40.0 before 2.40.1 fail to validate credential ownership during inline agent node-tool introspection. Attackers can reference arbitrary credential IDs to decrypt and exfiltrate plaintext secrets to attacker-controlled hosts without ownership verification...

CVE-2026-103246 n8n before 2.39.6 and 2.40.x before 2.40.1 Credential Disclosure via Node-Tool Introspection

n8n versions before 2.39.6 and 2.40.0 before 2.40.1 fail to validate credential ownership during inline agent node-tool introspection. Attackers can reference arbitrary credential IDs to decrypt and exfiltrate plaintext secrets to attacker-controlled hosts without ownership verification...

EUVD-2026-90750

n8n versions before 2.39.6 and 2.40.0 before 2.40.1 fail to validate credential ownership during inline agent node-tool introspection. Attackers can reference arbitrary credential IDs to decrypt and exfiltrate plaintext secrets to attacker-controlled hosts without ownership verification...

BIT-PHP-MIN-2026-91766 Cross-origin credential leak in HTTP stream wrapper redirects

When the http:// stream wrapper follows a redirect it forwards the user-supplied Authorization, Cookie and Proxy-Authorization headers unchanged, even when the redirect target is a different host, a different port, or a downgrade from HTTPS to HTTP. A server that can steer a redirect therefore...

BIT-PHP-2026-91766 Cross-origin credential leak in HTTP stream wrapper redirects

When the http:// stream wrapper follows a redirect it forwards the user-supplied Authorization, Cookie and Proxy-Authorization headers unchanged, even when the redirect target is a different host, a different port, or a downgrade from HTTPS to HTTP. A server that can steer a redirect therefore...

BIT-RABBITMQ-2026-67236 RabbitMQ: Plaintext username:password stored in an insecure cookie after successful POST /login

RabbitMQ is a messaging and streaming broker. From 4.2.0 until 4.2.8 and 4.3.2, a successful POST /login caused isauthorized/2 to set an auth cookie containing base64-encoded username:password credentials without HttpOnly, Secure, SameSite, or expiration protections. Because base64 is encoding...

BIT-LIBPHP-2026-91766 Cross-origin credential leak in HTTP stream wrapper redirects

When the http:// stream wrapper follows a redirect it forwards the user-supplied Authorization, Cookie and Proxy-Authorization headers unchanged, even when the redirect target is a different host, a different port, or a downgrade from HTTPS to HTTP. A server that can steer a redirect therefore...

EUVD-2026-90589

A flaw was found in oauth-proxy. The application fails to properly validate the destination redirect parameter rd during post-login redirection. A remote attacker can exploit this vulnerability by enticing a user to follow a specially crafted link, resulting in the user being redirected to an...

CVE-2026-83589 Oauth-proxy: open redirect via /\ and /\t bypass in post-login redirect

A flaw was found in oauth-proxy. The application fails to properly validate the destination redirect parameter rd during post-login redirection. A remote attacker can exploit this vulnerability by enticing a user to follow a specially crafted link, resulting in the user being redirected to an...

CVE-2026-83589

A flaw was found in oauth-proxy. The application fails to properly validate the destination redirect parameter "rd" during post-login redirection. A remote attacker can exploit this vulnerability by enticing a user to follow a specially crafted link, resulting in the user being redirected to an...