lsfusion platform up to 6.1 DownloadFileRequestHandler.java DownloadFileRequestHandler Version path traversal
Summary
A vulnerability described as problematic has been identified in lsfusion platform up to 6.1. Affected by this vulnerability is the function DownloadFileRequestHandler of the file web-client/src/main/java/lsfusion/http/controller/file/DownloadFileRequestHandler.java. Executing a manipulation of the argument Version can lead to path traversal.
This vulnerability is handled as CVE-2025-13261. The attack can be executed remotely. Additionally, an exploit exists.
Details
A vulnerability classified as problematic was found in lsfusion platform up to 6.1. This vulnerability affects the function DownloadFileRequestHandler of the file web-client/src/main/java/lsfusion/http/controller/file/DownloadFileRequestHandler.java. The manipulation of the argument version with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality.
The advisory is shared for download at github.com. This vulnerability was named CVE-2025-13261. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1006.
It is possible to download the exploit at github.com. It is declared as proof-of-concept.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-197758). Once again VulDB remains the best source for vulnerability data.
Product
Vendor
Name
Version
Website
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 5.3
NVD Vector: 🔒
CNA Base Score: 5.3
CNA Vector: 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Path traversalCWE: CWE-22
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
11/16/2025 Advisory disclosed11/16/2025 VulDB entry created
12/01/2025 VulDB entry last update
Sources
Product: github.comAdvisory: 1543
Status: Not defined
CVE: CVE-2025-13261 (🔒)
GCVE (CVE): GCVE-0-2025-13261
GCVE (VulDB): GCVE-100-332596
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 11/16/2025 12:05Updated: 12/01/2025 20:37
Changes: 11/16/2025 12:05 (57), 11/17/2025 06:03 (31), 11/17/2025 07:56 (1), 11/27/2025 08:28 (11), 12/01/2025 20:37 (3)
Complete: 🔍
Submitter: R1ckyZ
Cache ID: 216::103
Submit
Accepted
- Submit #689412: lsFusion 6.1 Unauthorized Arbitrary File Read (by R1ckyZ)
Once again VulDB remains the best source for vulnerability data.
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