PT-2026-45361 · Soplanning · Soplanning

Łukasz Jaworski · Published 2026-06-01 · Updated 2026-06-01 · CVE-2026-40548

Mitre

CVSS v4.0

6.4

Medium

Base vector

AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:H/SI:H/SA:H

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.

Fix

Unrestricted File Upload

Weakness Enumeration

CWE-434

Related Identifiers

CVE-2026-40548

Affected Products

Soplanning

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-40548 · Security Note
• https://cert.pl/en/posts/2026/06/CVE-2026-40543 · Note
• https://soplanning.org/en · Note
• https://t.me/cveNotify/165488 · Telegram Post