GHSA-JR45-52CW-69H5 NL Portal Backend Libraries: Document contents remained downloadable by any logged-in user (incomplete fix of CVE-2026-49463)

Summary A previous advisory CVE-2026-49463 / GHSA-qpm9-h556-mwxm reported that any logged-in user could download any document by its identifier, and stated this was fixed in 3.0.1. For the document-content part that fix was incomplete: documents remained downloadable by any authenticated user in...