CVE-2026-34027 — Upload restriction bypass in Wertheim SafeController Software allows authenticated users to upload arbitrary files

Description (CNA)

The Wertheim SafeController Software, AssemblyVersion 6.15.8328.28014, contains insufficient server-side file type validation in the /safe/contract/uploadcustomdocuments endpoint. The application validates uploaded files based on the user-controlled HTTP Content-Type value and accepts the upload if this value contains an allowed string such as pdf, jpeg, tiff, or png. An authenticated attacker with any role or permission level can spoof the Content-Type value and upload arbitrary file content.

Affected (CNA)

Vendor / product	Versions
Wertheim GmbH / Wertheim SafeController Software for VAULT ROOMS (Safe Deposit Locker System)	affected Wertheim SafeController Software, AssemblyVersion 6.15.8328.28014

CWE

CWE-434

References

https://wertheim-safes.com/safe-deposit-box-management/
https://r.sec-consult.com/wertheim

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.