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CVE-2026-3749

MEDIUM CVSS 4.0: 5.3 EPSS 0.06%
Updated Mar 09, 2026
Java
Parameter Value
CVSS 5.3 (MEDIUM)
Type CWE-434 (Unrestricted File Upload (Неограниченная загрузка файлов)), CWE-284 (Improper Access Control (Неправильный контроль доступа))
Vendor Java
Public PoC No

A weakness has been identified in Bytedesk up to 1.3.9. This vulnerability affects the function handleFileUpload of the file source-code/src/main/java/com/bytedesk/core/upload/UploadRestService.java of the component SVG File Handler. Executing a manipulation can lead to unrestricted upload.

The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 1.4.5.1 is able to resolve this issue.

This patch is called 975e39e4dd527596987559f56c5f9f973f64eff7. It is recommended to upgrade the affected component.

Attack Parameters

Attack Vector
Network
Атака возможна удалённо
Attack Complexity
Low
Легко эксплуатировать
Attack Requirements
None
Нет дополнительных условий
Privileges Required
Low
Нужны базовые права
User Interaction
None
Не нужно действие пользователя

Impact Assessment

Confidentiality
Low
Частичная утечка данных
Integrity
Low
Частичная модификация данных
Availability
Low
Частичное нарушение работы

CVSS Vector v4.0