CVE-2026-3749

LOW EPSS 33.9%
Published Mar 8, 20263mo ago · Modified Jun 17, 20261w ago
2.1 CVSS 4.0
Low
Find Similar
Published Mar 8, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
2.1
Exploitability
—
Impact
—
Vector string
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
33.9% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 2

CWE-284
CWE-434 Unrestricted Upload of File with Dangerous Type Resource Mgmt

Affected Products 1

VendorProductVersionRange
bytedeskbytedesk* <1.4.5.1

References 9

  • github.com https://github.com/Bytedesk/bytedesk/
    Product
  • github.com https://github.com/Bytedesk/bytedesk/commit/975e39e4dd527596987559f56c5f9f973f64eff7
    Patch
  • github.com https://github.com/Bytedesk/bytedesk/issues/19
    ExploitVendor Advisory
  • github.com https://github.com/Bytedesk/bytedesk/issues/19#issue-3993480676
    ExploitVendor Advisory
  • github.com https://github.com/Bytedesk/bytedesk/issues/19#issuecomment-3976672845
    ExploitVendor Advisory
  • github.com https://github.com/Bytedesk/bytedesk/releases/tag/v1.4.5.1
    Release Notes
  • vuldb.com https://vuldb.com/?ctiid.349727
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.349727
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.768030
    Third Party AdvisoryVDB Entry

Remediation

  • github.com https://github.com/Bytedesk/bytedesk/commit/975e39e4dd527596987559f56c5f9f973f64eff7
    Patch