Open Zaak is an open-source data and services layer for Dutch case-oriented working. From 1.13.0 until 1.27.2, 1.28.2, and 1.29.0, _import_document_row in src/openzaak/components/documenten/tasks.py uses the attacker-controlled bestandspad CSV field without ensuring that the resolved path remains under IMPORT_DOCUMENTEN_BASE_DIR. A client with an all-authorizations application token can supply an absolute or parent-traversal path to a file readable by the Celery service account. The worker copies that file into document storage, allowing its contents to be retrieved through the normal document download API and exposing server secrets or other private files. This issue is fixed in versions 1.27.2, 1.28.2, and 1.29.0.
Fix
Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.
Change history 2
- StatusReceived → DeferredNVD modified 2026-10-16 20:04
- First seenCVSS 6.8NVD modified 2026-10-16 16:18
Affected (CPE criteria) 0
NVD has not attached CPE configurations yet.
References 8
- https://github.com/open-zaak/open-zaak/commit/4b23957b55ab792bc2ba1fbc5ce6918881b62ab8
- https://github.com/open-zaak/open-zaak/commit/69c78ce2a0edb45bec8809bc2205585c5f8a4054
- https://github.com/open-zaak/open-zaak/commit/8acd5e59e0132aa19284bf22f7b3defca279e2ce
- https://github.com/open-zaak/open-zaak/releases/tag/1.27.2
- https://github.com/open-zaak/open-zaak/releases/tag/1.28.2
- https://github.com/open-zaak/open-zaak/releases/tag/1.29.0
- https://github.com/open-zaak/open-zaak/security/advisories/GHSA-x5cj-23hr-5r54
- https://github.com/open-zaak/open-zaak/security/advisories/GHSA-x5cj-23hr-5r54