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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-3748 Detail

Description

A security flaw has been discovered in Bytedesk up to 1.3.9. This affects the function uploadFile of the file source-code/src/main/java/com/bytedesk/core/upload/UploadRestController.java of the component SVG File Handler. Performing a manipulation results in unrestricted upload. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks. Upgrading to version 1.4.5.1 is able to mitigate this issue. The patch is named 975e39e4dd527596987559f56c5f9f973f64eff7. Upgrading the affected component is recommended.


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/18 VulDB Exploit  Issue Tracking  Vendor Advisory 
https://github.com/Bytedesk/bytedesk/issues/18#issue-3993448721 VulDB Exploit  Issue Tracking  Vendor Advisory 
https://github.com/Bytedesk/bytedesk/issues/18#issuecomment-3976672973 VulDB Exploit  Issue Tracking  Vendor Advisory 
https://github.com/Bytedesk/bytedesk/releases/tag/v1.4.5.1 VulDB Release Notes 
https://vuldb.com/?ctiid.349726 VulDB Permissions Required 
https://vuldb.com/?id.349726 VulDB Third Party Advisory  VDB Entry 
https://vuldb.com/?submit.768028 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-2026-3748
NVD Published Date:
03/08/2026
NVD Last Modified:
03/10/2026
Source:
VulDB