CVE-2026-40548
Unrestricted Upload of File with Dangerous Type in SOPlanning
- State
- Published
- Severity
- 6.4 Medium
- Published
- Jun 1, 2026
- Updated
- Jun 1, 2026
- Reserved
- Apr 14, 2026
Description
SOPlanning does not verify uploaded file extension. An authenticated attacker with access to the backup functionality can upload a crafted ZIP archive containing a legitimate user.csv file alongside a malicious file, which is extracted on the server. When combined with CVE-2026-40547 (Path Traversal), the malicious file (e.g., a PHP script) can be placed in a web-accessible location and executed via the browser.
This issue affects SOPlanning version 1.55 and below.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.4 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:H/SI:H/SA:H | CERT-PL |
Weaknesses
- CWE-434 Unrestricted Upload of File with Dangerous Type
Affected Products
| Product | Versions |
|---|---|
SOPlanningSOPlanning |
|
References
- https://cert.pl/en/posts/2026/06/CVE-2026-40543third-party-advisory
- https://www.soplanning.org/en/product
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