SSRF in Monsta Limited Of New Zealand FTP
CVE-2026-60105
Monsta FTP before 2.14.5 contains a server-side request forgery vulnerability in the fetchRemoteFile action caused by an incomplete IP blocklist check in the isBlockedIP() function, which fails to detect embedded IPv4 addresses within IPv4-mapped IPv6 addresses. An unauthenticated attacker can obtain a CSRF token from the public getSystemVars endpoint and submit a fetchRemoteFile request with a source URL resolving to an IPv4-mapped address, causing the server to issue HTTP requests to internal services and write responses to an attacker-controlled FTP destination, enabling retrieval of cloud instance metadata credentials.
Vulnerability class: SSRF (Server-Side Request Forgery)
EPSS: 0.005 (39.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.
Affected products
- Monsta Limited Of New Zealand Ftp — versions 0
Weakness classification (CWE)
References
- disclosure@vulncheck.com (release-notes, patch)
- disclosure@vulncheck.com (third-party-advisory)
- disclosure@vulncheck.com (technical-description, exploit)
Frequently asked questions
- What is CVE-2026-60105?
- CVE-2026-60105 is a high-severity vulnerability in Monsta Limited Of New Zealand FTP, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.6/10. Published 2026-07-08.
- How severe is CVE-2026-60105?
- High severity. CVSS v3 base score is 8.6 out of 10.