CVE-2026-40548
MEDIUM EPSS 22.7%
Published Jun 1, 20264w ago · Modified Jun 17, 20261w ago
6.4 CVSS 4.0
Published Jun 1, 2026 4w ago
Last Modified Jun 17, 2026 1w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
22.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-434 Unrestricted Upload of File with Dangerous Type Resource Mgmt
References 2
- cert.pl https://cert.pl/en/posts/2026/06/CVE-2026-40543
- soplanning.org https://www.soplanning.org/en/
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.