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I. Basic Information for CVE-2026-28677
Vulnerability Information

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Vulnerability Title
OpenSift: Insufficient URL destination restrictions in ingest flow could enable SSRF-style internal access
Source: NVD (National Vulnerability Database)
Vulnerability Description
OpenSift is an AI study tool that sifts through large datasets using semantic search and generative AI. Prior to version 1.6.3-alpha, the URL ingest pipeline accepted user-controlled remote URLs with incomplete destination restrictions. Although private/local host checks existed, missing restrictions for credentialed URLs, non-standard ports, and cross-host redirects left SSRF-class abuse paths in non-localhost deployments. This issue has been patched in version 1.6.3-alpha.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端请求伪造(SSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
OpenSift 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenSift是OpenSift开源的一款人工智能学习助手。 OpenSift 1.6.3-alpha之前版本存在代码问题漏洞,该漏洞源于URL摄取管道接受用户控制的远程URL时目标限制不完整,可能导致服务端请求伪造攻击。
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
OpenSiftOpenSift < 1.6.3-alpha -
II. Public POCs for CVE-2026-28677
#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
kimi-k2.5 · 12030 chars
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III. Intelligence Information for CVE-2026-28677
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IV. Related Vulnerabilities
V. Comments for CVE-2026-28677

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