CVE-2026-30234
Arbitrary File Read in OpenProject BCF Import Component
Publication date: 2026-03-11
Last updated on: 2026-03-17
Assigner: GitHub, Inc.
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| openproject | openproject | to 17.2.0 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-22 | The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
CVE-2026-30234 is a moderate severity vulnerability in OpenProject versions prior to 17.2.0, specifically in the BIM BCF XML Import feature.
An authenticated project member with BCF import permissions can upload a crafted .bcf archive where the <Snapshot> element in the markup.bcf file is manipulated to contain an absolute or directory traversal path (for example, /etc/passwd or ../../../../etc/passwd).
During the import process, this manipulated <Snapshot> value is used as a file path for attachment processing without proper validation, allowing the attacker to read arbitrary local files on the server within the file read permissions of the OpenProject application user.
The attack requires low privileges and no user interaction, and it impacts confidentiality by allowing unauthorized local file disclosure.
How can this vulnerability impact me? :
This vulnerability can impact you by allowing an authenticated project member with BCF import permissions to read arbitrary local files on the server where OpenProject is running.
Since the attacker can access files outside the intended ZIP scope, sensitive information stored on the server could be exposed, leading to a breach of confidentiality.
The vulnerability does not affect the integrity or availability of the system but compromises the confidentiality of local filesystem content accessible to the OpenProject application user.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, you should upgrade OpenProject to version 17.2.0 or later, where the issue has been fixed.
Additionally, restrict BCF import permissions to trusted users only, as exploitation requires authenticated project members with these permissions.