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CVE-2026-60105— Monsta FTP < 2.14.5 SSRF via IPv4-Mapped IPv6 Address Bypass

Quick assessment

Affected
Monsta Limited of New Zealand Monsta FTP
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Monsta Monsta FTP是新西兰Monsta公司的一款文件传输服务器软件。 Monsta FTP 2.14.5之前版本存在服务端请求伪造漏洞，该漏洞源于isBlockedIP()函数IP黑名单检查不完整，未能检测IPv4映射IPv6地址中的嵌入式IPv4地址，导致服务端请求伪造。未经验证的攻击者可获取CSRF令牌并提交fetchRemoteFile请求，使服务器向内部服务发起HTTP请求并将响应写入攻击者控制的FTP目标，从而获取云实例元数据凭据。

CVSS 8.6 · High EPSS 1.51% · P73

Public Exploits 1

Nuclei · 1 CVE-2026-60105.yaml [template]

Affected Version Matrix 1

VendorProduct Version RangeStatus
Monsta Limited of New Zealand Monsta FTP < 2.14.5 affected
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I. Basic Information for CVE-2026-60105

Vulnerability Information
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Vulnerability Title
Monsta FTP < 2.14.5 SSRF via IPv4-Mapped IPv6 Address Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
Monsta FTP 服务端请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Monsta Monsta FTP是新西兰Monsta公司的一款文件传输服务器软件。 Monsta FTP 2.14.5之前版本存在服务端请求伪造漏洞，该漏洞源于isBlockedIP()函数IP黑名单检查不完整，未能检测IPv4映射IPv6地址中的嵌入式IPv4地址，导致服务端请求伪造。未经验证的攻击者可获取CSRF令牌并提交fetchRemoteFile请求，使服务器向内部服务发起HTTP请求并将响应写入攻击者控制的FTP目标，从而获取云实例元数据凭据。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Monsta Limited of New Zealand Monsta FTP 0 ~ 2.14.5 -

II. Public POCs for CVE-2026-60105

# POC Description Source Link Shenlong Link
1 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. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-60105.yaml POC Details
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III. Intelligence Information for CVE-2026-60105

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Vendor Advisories for CVE-2026-60105 (1)

Security Blog Posts for CVE-2026-60105 (1)

IV. Related Vulnerabilities

Same product: Monsta FTP
Same vendor: Monsta Limited of New Zealand
Same weakness: CWE-918

V. Comments for CVE-2026-60105

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