Description (CNA)
AmoyLab Unla through 0.10.0 contains an authentication bypass vulnerability that allows unauthenticated attackers to obtain valid access tokens because the OAuth2 server never authenticates a resource owner. Attackers can register a client, request a code from /authorize, and exchange it at /token to access OAuth2-protected MCP prefixes, proxied upstream APIs and injected credentials.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| AmoyLab / Unla | affected 0 through 0.10.0 |
CWE
CWE-287
References
- https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/amoylab-unla-oauth-self-issued-token-authz
- https://github.com/AmoyLab/Unla/blob/v0.10.0/internal/auth/oauth.go#L86-L147
- https://github.com/AmoyLab/Unla/blob/v0.10.0/internal/core/server.go#L229-L261
- https://github.com/AmoyLab/Unla
- https://www.vulncheck.com/advisories/amoylab-unla-through-0.10.0-oauth2-authentication-bypass-via-authorize
ADP enrichment
No English description supplied.
No references supplied.