GHSA-6QC9-MQVW-JG7X n8n: Credential Authorization Bypass via Expression in HTTP Request Node `genericAuthType`

Impact An authenticated member with edit access to a shared workflow could reference another user's credential in an HTTP Request node while specifying the credential type through an expression. Because the pre-execution permission check compared the unresolved expression instead of the real...

CVE-2026-54307 n8n: Credential Exfiltration via Permission Bypass

n8n is an open source workflow automation platform. Prior to 1.123.55, 2.25.7, and 2.26.2, a member-level user with editor access to a shared workflow could reference credentials they do not own via specific public API endpoints. Credential ownership checks were only enforced partially leading to...

USN-8433-1: OpenStack Keystone vulnerabilities

It was discovered that OpenStack Keystone allowed restricted application credentials to create EC2 credentials. An authenticated attacker with only a reader role could possibly use this issue to bypass the role restrictions imposed on the application credential. CVE-2026-33551 It was discovered...

EUVD-2026-15952

n8n Has Authorization Bypass in OAuth Callback via N8NSKIPAUTHONOAUTHCALLBACK...

openstack-keystone: Credentials endpoint policy logic allows changing credential owner and target project ID

A vulnerability was found in Keystone's EC2 credentials API. This flaw allows any authenticated user to create an EC2 credential for themselves for a project that they have a specified role, and then perform an update to the credential user and project, allowing them to masquerade as another user...

openstack-keystone: Credentials endpoint policy logic allows changing credential owner and target project ID

A vulnerability was found in Keystone's EC2 credentials API. This flaw allows any authenticated user to create an EC2 credential for themselves for a project that they have a specified role, and then perform an update to the credential user and project, allowing them to masquerade as another user...