CVE-2026-3748
Bytedesk SVG File UploadRestController.java uploadFile unrestricted upload
CVSS Score
6.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-434 CWE-284 |
| Vendor | n/a |
| Product | bytedesk |
| Published | Mar 8, 2026 |
| Last Updated | Mar 11, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
n/a / Bytedesk
1.3.0 1.3.1 1.3.2 1.3.3 1.3.4 1.3.5 1.3.6 1.3.7 1.3.8 1.3.9
References
vuldb.com: https://vuldb.com/?id.349726 vuldb.com: https://vuldb.com/?ctiid.349726 vuldb.com: https://vuldb.com/?submit.768028 github.com: https://github.com/Bytedesk/bytedesk/issues/18 github.com: https://github.com/Bytedesk/bytedesk/issues/18#issuecomment-3976672973 github.com: https://github.com/Bytedesk/bytedesk/issues/18#issue-3993448721 github.com: https://github.com/Bytedesk/bytedesk/commit/975e39e4dd527596987559f56c5f9f973f64eff7 github.com: https://github.com/Bytedesk/bytedesk/releases/tag/v1.4.5.1 github.com: https://github.com/Bytedesk/bytedesk/
Credits
🔍 ZAST.AI (VulDB User)