Update SECURITY.md

SECURITY.md

@@ -56,6 +56,9 @@ We may close reports that are:
 
 The following are not generally considered vulnerabilities unless accompanied by a concrete, reproducible impact in Paperless-ngx:
 
+- password length inferred from masked mail-account passwords by users who already have permission to view the account, without disclosure of the password or token itself
+- disclosure limited to document IDs, existence, page counts, checksums, or modification/deletion timestamps, without access to document contents or an unintended privileged action
+- authenticated access to non-secret application settings, such as service endpoint URLs, model names, or configured environment variable names, without disclosure of credentials or secret values
 - large uploads or resource usage that do not bypass documented limits or privileges
 - IDOR / access control claims regarding the ability to attach an un-viewable object to a document. This is expected behavior.
 - claims based solely on the presence of a library, framework feature or code pattern without a working exploit