Nezha 2.1.0 before 2.3.15 Host Header Injection via MCP Transfer Tools
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.
CVE-2026-111385
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-111385
nezha
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "nezhahq",
"product": "nezha",
"versions": [
{
"status": "affected",
"version": "2.1.0",
"lessThan": "2.3.15",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "2.3.15",
"versionType": "semver"
}
],
"packageURL": "pkg:golang/github.com/nezhahq/nezha",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-111385
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #45032 · Revision 1
- Added to Heist Feed
- Publisher date