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I. Basic Information for CVE-2026-28798
Vulnerability Information

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Vulnerability Title
Arbitrary internal service access via /v1/sys/proxy when Cloudflare Tunnel is enabled on ZimaOS
Source: NVD (National Vulnerability Database)
Vulnerability Description
ZimaOS is a fork of CasaOS, an operating system for Zima devices and x86-64 systems with UEFI. Prior to version 1.5.3, a proxy endpoint (/v1/sys/proxy) exposed by ZimaOS's web interface can be abused (via an externally reachable domain using a Cloudflare Tunnel) to make requests to internal localhost services. This results in unauthenticated access to internal-only endpoints and sensitive local services when the product is reachable from the Internet through a Cloudflare Tunnel. This issue has been patched in version 1.5.3.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端请求伪造(SSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
ZimaOS 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ZimaOS是IceWhaleTech的一个开源的操作系统项目,旨在提供一个轻量级、高性能、安全的操作系统环境。 ZimaOS 1.5.3之前版本存在代码问题漏洞,该漏洞源于Web界面暴露的代理端点可能被滥用,向内部本地主机服务发起请求,可能导致当产品通过Cloudflare Tunnel可从互联网访问时,未经验证即可访问内部端点和敏感本地服务。
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
VendorProductAffected VersionsCPESubscribe
IceWhaleTechZimaOS < 1.5.3 -
II. Public POCs for CVE-2026-28798
#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
kimi-k2.5 · 6501 chars
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III. Intelligence Information for CVE-2026-28798
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IV. Related Vulnerabilities
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