CVE-2026-3749CWE-284CWE-434

Bytedesk SVG File UploadRestService.java handleFileUpload unrestricted upload

Medium · published March 8, 2026

CVSS v4.0
5.3
EPSS
1%
Percentile
52.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00702 · 52.7th percentile
Weaknesses
CWE-284 · Improper Access Control; CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2026-03-08T16:02Z
EPSS history
Timeline
  • 08 MAR 16:02Z
    Bytedesk SVG File UploadRestService.java handleFileUpload unrestricted upload
    cvelistv5