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.
History

Fri, 23 Oct 2026 09:45:00 +0000

Type Values Removed Values Added
First Time appeared Nezhahq
Nezhahq nezha
Vendors & Products Nezhahq
Nezhahq nezha

Wed, 21 Oct 2026 03:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 16 Oct 2026 01:45:00 +0000

Type Values Removed Values Added
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.
Title Nezha 2.1.0 before 2.3.15 Host Header Injection via MCP Transfer Tools
Weaknesses CWE-601
References
Metrics cvssV3_1

{'score': 4.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N'}

cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-10-16T01:17:54.057Z

Updated: 2026-10-21T02:07:31.134Z

Reserved: 2026-10-15T21:55:44.537Z

Link: CVE-2026-111385

cve-icon Vulnrichment

Updated: 2026-10-21T02:07:12.695Z

cve-icon NVD

Status : Deferred

Published: 2026-10-16T03:18:05.893

Modified: 2026-10-21T03:17:18.377

Link: CVE-2026-111385

cve-icon Redhat

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