CVE-2026-111385
mediumNezha 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 f…
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.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/nezhahq/nezha/commit/36b742a7e9a81ed782363dd19efd77b7030fbd0f disclosure@vulncheck.com
- https://github.com/nezhahq/nezha/commit/c726930833937a0aebb2a924064f236faea889f6 disclosure@vulncheck.com
- https://github.com/nezhahq/nezha/security/advisories/GHSA-rj3w-jrj7-x7c3 disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/nezha-2.1.0-before-2.3.15-host-header-injection-via-m... disclosure@vulncheck.com
- https://github.com/nezhahq/nezha/security/advisories/GHSA-rj3w-jrj7-x7c3 134c704f-9b21-4f2e-91b3-4a467353bcc0