When processing authorization requests using the whitelabel views in Spring Security OAuth 2.0.0 to 2.0.9 and 1.0.0 to 1.0.5, the responsetype parameter value was executed as Spring SpEL which enabled a malicious user to trigger remote code execution via the crafting of the value for responsetype.
{
"nvd_published_at": null,
"github_reviewed": true,
"cwe_ids": [],
"github_reviewed_at": "2020-06-16T21:23:16Z",
"severity": "HIGH"
}