CVE-2026-28677— OpenSift: Insufficient URL destination restrictions in ingest flow could enable SSRF-style internal access
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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
II. Public POCs for CVE-2026-28677
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- Release v1.6.3-alpha · OpenSift/OpenSift · GitHubx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2026-28677
Same Patch Batch · OpenSift · 2026-03-06 · 3 CVEs total
| CVE-2026-28676 | 8.8 HIGH | OpenSift: Insufficient path containment checks in storage helpers could allow path travers |
| CVE-2026-28675 | 5.3 MEDIUM | OpenSift: Sensitive implementation details exposed via raw exception messages and token-re |
IV. Related Vulnerabilities
Same product: OpenSift
- CVE-2026-28676
OpenSift: Insufficient path containment checks in storage he - CVE-2026-28675
OpenSift: Sensitive implementation details exposed via raw e - CVE-2026-27189
OpenSift: Race-prone local persistence could cause state cor - CVE-2026-27170
OpenSift: SSRF risk in URL ingestion endpoint - CVE-2026-27169
OpenSift: Persistent XSS Chat Tool Rendering
Same vendor: OpenSift
- CVE-2026-28676
OpenSift: Insufficient path containment checks in storage he - CVE-2026-28675
OpenSift: Sensitive implementation details exposed via raw e - CVE-2026-27189
OpenSift: Race-prone local persistence could cause state cor - CVE-2026-27170
OpenSift: SSRF risk in URL ingestion endpoint - CVE-2026-27169
OpenSift: Persistent XSS Chat Tool Rendering
Same weakness: CWE-918
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pygeoapi 0.23.x: Unauthenticated SSRF via OGC API - Processe - CVE-2026-42346
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New API: SSRF Filter Bypass via 0.0.0.0
V. Comments for CVE-2026-28677
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