CVE-2026-3748
HIGH WAF: Medium
CVSS 8.8
Published: 2026-03-08
CWE-434 CWE-434
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.
WAF Coverage Analysis
Unrestricted File Upload
Medium WAF Coverage
OWASP: A04:2021 Insecure Design
930xxx - Local File Inclusion
Unrestricted File Upload
Medium WAF Coverage
OWASP: A04:2021 Insecure Design
930xxx - Local File Inclusion
Affected Software
| Vendor | Product | Version |
|---|---|---|
| bytedesk | bytedesk | up to 1.4.5.1 |
References
- github.com (Product)
- github.com (Patch)
- github.com (Exploit, Vendor Advisory, Issue Tracking)
- github.com (Exploit, Vendor Advisory, Issue Tracking)
- github.com (Exploit, Vendor Advisory, Issue Tracking)
- github.com (Release Notes)
- vuldb.com (Permissions Required)
- vuldb.com (Third Party Advisory, VDB Entry)
- vuldb.com (Third Party Advisory, VDB Entry)