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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-3749 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  VulDB
CVSS-BT 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

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://github.com/Bytedesk/bytedesk/ VulDB Product 
https://github.com/Bytedesk/bytedesk/commit/975e39e4dd527596987559f56c5f9f973f64eff7 VulDB Patch 
https://github.com/Bytedesk/bytedesk/issues/19 VulDB Exploit  Vendor Advisory 
https://github.com/Bytedesk/bytedesk/issues/19#issue-3993480676 VulDB Exploit  Vendor Advisory 
https://github.com/Bytedesk/bytedesk/issues/19#issuecomment-3976672845 VulDB Exploit  Vendor Advisory 
https://github.com/Bytedesk/bytedesk/releases/tag/v1.4.5.1 VulDB Release Notes 
https://vuldb.com/?ctiid.349727 VulDB Permissions Required  VDB Entry 
https://vuldb.com/?id.349727 VulDB Third Party Advisory  VDB Entry 
https://vuldb.com/?submit.768030 VulDB Third Party Advisory  VDB Entry 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-434 Unrestricted Upload of File with Dangerous Type cwe source acceptance level NIST   VulDB  
CWE-284 Improper Access Control VulDB  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-3749
NVD Published Date:
03/08/2026
NVD Last Modified:
03/10/2026
Source:
VulDB