CVE-2026-11839
Received Received - Intake
Unrestricted File Upload in Başarsoft Rotaban

Publication date: 2026-06-11

Last updated on: 2026-06-11

Assigner: Computer Emergency Response Team of the Republic of Turkey

Description
Unrestricted upload of file with dangerous type vulnerability in Başarsoft Information Technologies Inc. Rotaban allows Upload a Web Shell to a Web Server. This issue affects Rotaban: from V2026.06.002 before V2026.06.003.
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Meta Information
Published
2026-06-11
Last Modified
2026-06-11
Generated
2026-06-11
AI Q&A
2026-06-11
EPSS Evaluated
N/A
NVD
CVE-2026-11839
EUVD
EUVD-2026-36249
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
basarsoft_information_technologies_inc rotaban From 2026.06.002 (inc) to 2026.06.003 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-434 The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.
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Executive Summary

This vulnerability is an unrestricted upload of files with dangerous types in Başarsoft Information Technologies Inc. Rotaban software. It allows an attacker to upload a web shell to a web server, which can then be used to execute arbitrary commands or control the server remotely.

Impact Analysis

The impact of this vulnerability is severe, as indicated by the CVSS score of 9.9. An attacker with low privileges can remotely upload a malicious web shell, leading to complete compromise of the affected system. This includes full confidentiality, integrity, and availability loss.

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