CVE-2026-111385EPSS p8.5%
CVE-2026-111385CVE-2026-111385
Description
Nezha from 2.1.0 before 2.3.15 contains a host header injection vulnerability in mintTransferTool that builds fs.download_url and fs.upload_url transfer URLs from the unvalidated Host header. Attackers who control the Host header seen on a victim's MCP request can redirect file uploads or capture one-time download tokens and replay them to exfiltrate files.
Scoring
| CVSS | 4.8 () |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N |
| EPSS | 0.19% probability of exploitation · percentile 8.5% · 2026-10-17T12:00:28Z |
| Last modified | 2026-10-16 |