A vulnerability of plugin openid-connect in Apache APISIX.
This vulnerability will only have an impact if all of the following conditions are met:
- Use the openid-connect plugin with introspection mode
- The auth service connected to openid-connect provides services to multiple issuers
- Multiple issuers share the same private key and relies only on the issuer being different
If affected by this vulnerability, it would allow an attacker with a valid account on one of the issuers to log into the other issuer.
This issue affects Apache APISIX: until 3.12.0.
Users are recommended to upgrade to version 3.12.0 or higher.