Medium, CVSS 6.5MavenPublished
NL Portal: Missing per-user authorization on document and decision GraphQL queries in nl-portal-backend-libraries
CVE-2026-49463 · GHSA-qpm9-h556-mwxm
- Affected
- Maven nl.nl-portal:besluiten >= 1.5.0, <= 3.0.0
- Fixed in
- 3.0.1· Vendor fix available
- Issue
- Impact In versions up to and including 3.0.0, two parts of the GraphQL API returned data without checking whether the data belonged to the logged-in user: - Document content. A logged-in user could download the raw content of any document by its ID, regardless of who owned it. The resolver has lacked an authentication parameter since the initial commit of the project (2022-11-22) — so every version of nl.nl-portal:documenten-api ever published is affected (the earliest one on Maven Central is 0.2.2.RELEASE, published 2023-08-31). - Decisions (besluiten). A logged-in user could list, search, and read decision records — including their audit trails and the documents attached to them — for any user. The list query also accepted filters (decision type, identification, responsible organisation, related case), which made it easy to enumerate decisions across the user base. The besluiten module was introduced in the 1.5.x release line (commit 9229460b, 2024-08-19), so versions of…
Recommended action: Upgrade to 3.0.1 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.