EUVD-2026-66194

Doorkeeper OpenID Connect implements an OpenID Connect authentication provider for Rails applications on top of Doorkeeper. Prior to 1.10.4, the Dynamic Client Registration DCR endpoint persists client-supplied scopes without validating them against the server's configured scope set. Under certai...

PT-2026-81890

Name of the Vulnerable Software and Affected Versions Doorkeeper OpenID Connect versions prior to 1.10.4 Description The Dynamic Client Registration DCR endpoint persists client-supplied scopes without validating them against the server's configured scope set. In the...

CVE-2026-75542 OAuth token exchange grants repository scopes for organizations the principal cannot access

Incorrect Authorization vulnerability in the OAuth token endpoint in hexpm hexpm allows an API key holding the repositories permission to read another organization's private packages. When an API key is exchanged for a token through the OAuth clientcredentials grant, validatescopesagainstkey/2 in...

CVE-2026-56776 n8n - Incorrect OAuth Scope Validation in Workflow Test Run Endpoint

n8n before 1.123.55, 2.25.7, and 2.26.2 contains an authorization bypass in the POST /workflows/workflowId/test-runs/new endpoint, which authorizes access using the workflow:read scope instead of workflow:execute. An authenticated user with read-only access to a workflow can trigger a real...

GO-2026-5570 Free5gc NRF is vulnerable to scope validation bypass via maliciously crafted targetNF value in github.com/free5gc/nrf

Free5gc NRF is vulnerable to scope validation bypass via maliciously crafted targetNF value in github.com/free5gc/nrf...

Free5gc NRF is vulnerable to scope validation bypass via maliciously crafted targetNF value

An issue was discovered in Free5gc NRF 1.4.0. In the access-token generation logic of free5GC, the AccessTokenScopeCheck function in file internal/sbi/processor/accesstoken.go bypasses all scope validation when the attacker uses a crafted targetNF value. This allows attackers to obtain an access...

CVE-2025-66719

An issue was discovered in Free5gc NRF 1.4.0. In the access-token generation logic of free5GC, the AccessTokenScopeCheck function in file internal/sbi/processor/accesstoken.go bypasses all scope validation when the attacker uses a crafted targetNF value. This allows attackers to obtain an access...