CVE-2026-55836

Published: Ott 16, 2026 Last Modified: Ott 16, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 6,8
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: high
User Interaction: none
Scope: changed
Confidentiality: high
Integrity: none
Availability: none

Description

AI Translation Available

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.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0039
Percentile
0,3th
Updated

EPSS Score Trend (Last 3 Days)

200

Exposure of Sensitive Information to an Unauthorized Actor

Draft
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Confidentiality
Potential Impacts:
Read Application Data
Applicable Platforms
Technologies: Not Technology-Specific, Web Based, Mobile
Likelihood of Exploit: High
View CWE Details
https://github.com/open-zaak/open-zaak/security/advisories/…
https://github.com/open-zaak/open-zaak/security/advisories/GHSA-x5cj-23hr-5r54
https://github.com/open-zaak/open-zaak/commit/4b23957b55ab7…
https://github.com/open-zaak/open-zaak/commit/4b23957b55ab792bc2ba1fbc5ce691888…
https://github.com/open-zaak/open-zaak/commit/69c78ce2a0edb…
https://github.com/open-zaak/open-zaak/commit/69c78ce2a0edb45bec8809bc2205585c5…
https://github.com/open-zaak/open-zaak/commit/8acd5e59e0132…
https://github.com/open-zaak/open-zaak/commit/8acd5e59e0132aa19284bf22f7b3defca…
https://github.com/open-zaak/open-zaak/releases/tag/1.27.2
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/1.28.2
https://github.com/open-zaak/open-zaak/releases/tag/1.29.0
https://github.com/open-zaak/open-zaak/releases/tag/1.29.0
https://github.com/open-zaak/open-zaak/security/advisories/…
https://github.com/open-zaak/open-zaak/security/advisories/GHSA-x5cj-23hr-5r54