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I. Basic Information for CVE-2026-28792
Vulnerability Information

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Vulnerability Title
Cross-Origin File Exfiltration via CORS Misconfiguration + Path Traversal in TinaCMS
Source: NVD (National Vulnerability Database)
Vulnerability Description
Tina is a headless content management system. Prior to 2.1.8 , the TinaCMS CLI dev server combines a permissive CORS configuration (Access-Control-Allow-Origin: *) with the path traversal vulnerability (previously reported) to enable a browser-based drive-by attack. A remote attacker can enumerate the filesystem, write arbitrary files, and delete arbitrary files on developer's machines by simply tricking them into visiting a malicious website while tinacms dev is running. This vulnerability is fixed in 2.1.8.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: NVD (National Vulnerability Database)
Vulnerability Title
TinaCMS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TinaCMS是Tina开源的一个用于 Markdown、MDX 和 JSON 的开源无头 CMS。 TinaCMS 2.1.8之前版本存在安全漏洞,该漏洞源于TinaCMS CLI开发服务器配置了宽松的CORS策略,结合路径遍历漏洞,可能导致远程攻击者通过恶意网站枚举、写入和删除开发者机器上的任意文件。
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
@tinacmscli < 2.1.8 -
II. Public POCs for CVE-2026-28792
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III. Intelligence Information for CVE-2026-28792
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IV. Related Vulnerabilities
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