CVE-2026-40548
mediumpriority · track · 0EPSS 0.003 · 24 %ileEUEPSS · scored 2026-10-28
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.5–6.4
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (1)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://cert.pl/en/posts/2026/06/CVE-2026-40543cnnvd
- https://www.soplanning.org/en/cnnvd
- https://www.soplanning.org/en/download/Patchcnnvd
- https://cert.pl/en/posts/2026/06/CVE-2026-40543enisa_euvd
- https://www.soplanning.org/en/enisa_euvd
- https://cert.pl/en/posts/2026/06/CVE-2026-40543nvd
- https://www.soplanning.org/en/nvd
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