diff --git a/src/service/github.oauth.service.ts b/src/service/github.oauth.service.ts
index 67b972c3..497ccf74 100644
--- a/src/service/github.oauth.service.ts
+++ b/src/service/github.oauth.service.ts
@@ -32,6 +32,10 @@ export class GitHubOAuthService {
         <html lang="en">
           <head>
             <meta charset="utf-8">
+            <meta 
+              http-equiv="Content-Security-Policy" 
+              content="default-src vscode-resource:; form-action vscode-resource:; frame-ancestors vscode-resource:; img-src vscode-resource: https:; script-src 'self' 'unsafe-inline' vscode-resource:; style-src 'self' 'unsafe-inline' vscode-resource:;"
+            />
             <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
           </head>
           <body>
