PT-2026-86924

Improper Protection of Alternate Path vulnerability in ash-project ash authentication oauth2 server exposes the state-changing OAuth endpoints under an unintended URL prefix, bypassing controls scoped to the canonical prefix. oauth2 server protocol routes/1 in...

PT-2026-86928

Improper Authentication vulnerability in ash-project ash authentication oauth2 server allows an unauthenticated attacker to register OAuth clients even when Dynamic Client Registration is gated by an initial access token. resolve secret/3 in AshAuthentication.Oauth2Server reached through resolve...

PT-2026-86927

Server-Side Request Forgery SSRF vulnerability in ash-project ash authentication oauth2 server allows an attacker who controls a client metadata URL and its DNS to make the server connect to internal or loopback addresses. public ip?/1 in AshAuthentication.Oauth2Server.CIMD.ReqFetcher enforces th...

PT-2026-86925

Use of Cache Containing Sensitive Information vulnerability in ash-project ash authentication oauth2 server allows a shared HTTP cache to serve one tenant's OAuth discovery metadata to another tenant's clients. The RFC 8414 and RFC 9728 metadata endpoints in...

PT-2026-86926

Improper Encoding or Escaping of Output vulnerability in ash-project ash authentication oauth2 server allows an unauthenticated attacker to inject arbitrary authentication parameters into the WWW-Authenticate challenge header. BearerPlug and RequireScopePlug built the Bearer resource metadata=".....