CVE-2026-49464
Description
NL Portal Backend Libraries provide backend components for Dutch government portals that interact with residents, customers, suppliers, and partner organizations. The nl.nl-portal:taak package from version 1.5.0 through 3.0.0 fails to verify ownership when processing the submitTaakV2 GraphQL mutation, allowing an authenticated user who knows or guesses another user’s task ID to read its form data, overwrite its submitted data, and mark the task as completed. Version 3.0.1 contains a patch. As a workaround, block the submitTaakV2 mutation at the API gateway or restrict the /graphql endpoint to trusted networks
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
nl.nl-portal:taakMaven | >= 1.5.0, < 3.0.1 | 3.0.1 |
Affected products
1- Range: 1.5.0 - 3.0.0
Patches
Vulnerability mechanics
References
2News mentions
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