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CVE-2026-3748

MEDIUM

6.3

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.

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/18(cna@vuldb.com)

https://github.com/Bytedesk/bytedesk/issues/18#issue-3993448721(cna@vuldb.com)

https://github.com/Bytedesk/bytedesk/issues/18#issuecomment-3976672973(cna@vuldb.com)

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

https://vuldb.com/?ctiid.349726(cna@vuldb.com)

https://vuldb.com/?id.349726(cna@vuldb.com)

https://vuldb.com/?submit.768028(cna@vuldb.com)

IOC Correlations

No correlations recorded

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