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CVE-2026-3749

MEDIUM

6.3

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.

CVE Details

CVSS v3.1 Score6.3

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published3/8/2026

Last Modified3/10/2026

Sourcenvd

Honeypot Sightings0

Affected Products

bytedesk:bytedesk

Weaknesses (CWE)

CWE-284CWE-434CWE-434

References

https://github.com/Bytedesk/bytedesk/(cna@vuldb.com)

https://github.com/Bytedesk/bytedesk/commit/975e39e4dd527596987559f56c5f9f973f64eff7(cna@vuldb.com)

https://github.com/Bytedesk/bytedesk/issues/19(cna@vuldb.com)

https://github.com/Bytedesk/bytedesk/issues/19#issue-3993480676(cna@vuldb.com)

https://github.com/Bytedesk/bytedesk/issues/19#issuecomment-3976672845(cna@vuldb.com)

https://github.com/Bytedesk/bytedesk/releases/tag/v1.4.5.1(cna@vuldb.com)

https://vuldb.com/?ctiid.349727(cna@vuldb.com)

https://vuldb.com/?id.349727(cna@vuldb.com)

https://vuldb.com/?submit.768030(cna@vuldb.com)

IOC Correlations

No correlations recorded

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