CVE-2026-3749 is an unrestricted file upload vulnerability in Bytedesk versions up to 1.3.9, specifically within the SVG File Handler component. This medium-severity flaw (CVSS 6.3) allows an authenticated attacker to remotely upload arbitrary files, potentially leading to limited impact on confidentiality, integrity, and availability. While exploit code is publicly available, there is no evidence of active exploitation, and it has received minimal community discussion or media coverage. Upgrading to Bytedesk version 1.4.5.1 or applying patch 975e39e4dd527596987559f56c5f9f973f64eff7 is recommended to mitigate this risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.4.5.1CPE matchmatch criteria | cpe:2.3:a:bytedesk:bytedesk:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.