CVE-2026-40548

UNKNOWN 0.0

Unrestricted Upload of File with Dangerous Type in SOPlanning

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

12th

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.

CWE	CWE-434
Vendor	soplanning
Product	soplanning
Published	Jun 1, 2026
Last Updated	Jun 1, 2026

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Affected Versions

SOPlanning / SOPlanning

0 ≤ 1.55

References

NVD ↗ CVE.org ↗ EPSS Data ↗

cert.pl: https://cert.pl/en/posts/2026/06/CVE-2026-40543 soplanning.org: https://www.soplanning.org/en/

Credits

Łukasz Jaworski