CVE-2026-3749HIGH 8.8EPSS p33.7%
CVE-2026-3749CVE-2026-3749
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.
Scoring
| CVSS 3.1 | 8.8 (HIGH) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 0.42% probability of exploitation · percentile 33.7% · 2026-06-19T12:03:05Z |
| Published | 2026-03-08 |
| Last modified | 2026-04-29 |
Underlying weaknesses· 2
References
- https://github.com/Bytedesk/bytedesk/
- https://github.com/Bytedesk/bytedesk/commit/975e39e4dd527596987559f56c5f9f973f64eff7
- https://github.com/Bytedesk/bytedesk/issues/19
- https://github.com/Bytedesk/bytedesk/issues/19#issue-3993480676
- https://github.com/Bytedesk/bytedesk/issues/19#issuecomment-3976672845
- https://github.com/Bytedesk/bytedesk/releases/tag/v1.4.5.1
- https://vuldb.com/?ctiid.349727
- https://vuldb.com/?id.349727
2
| Type | Target | Confidence | Tier |
|---|---|---|---|
| Weakness | Improper Access Controlcwe-284 | 0% | live |
| Weakness | Unrestricted Upload of File with Dangerous Typecwe-434 | 0% | live |
Related by meaning· 6
Nearest entities by semantic similarity across the cs-graph corpus.