CVE-2026-3749

MEDIUM

Bytedesk <=1.3.9 - Unrestricted Upload

Title source: llm
STIX 2.1

Description

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.

Scores

CVSS v3 6.3
EPSS 0.0013
EPSS Percentile 31.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-284 CWE-434
Status published
Products (1)
bytedesk/bytedesk < 1.4.5.1
Published Mar 08, 2026
Tracked Since Mar 08, 2026