CVE-2026-28676— OpenSift: Insufficient path containment checks in storage helpers could allow path traversal-style file operations
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I. Basic Information for CVE-2026-28676
Vulnerability Information
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Vulnerability Title
OpenSift: Insufficient path containment checks in storage helpers could allow path traversal-style file operations
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, multiple storage helpers used path construction patterns that did not uniformly enforce base-directory containment. This created path-injection risk in file read/write/delete flows if malicious path-like values were introduced. 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:L/UI:N/S:U/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
OpenSift 路径遍历漏洞
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之前版本存在路径遍历漏洞，该漏洞源于多个存储助手使用的路径构建模式未统一强制执行基目录包含，可能导致文件读/写/删除流程中存在路径注入风险。
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-2026-28676
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- Release v1.6.3-alpha · OpenSift/OpenSift · GitHubx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2026-28676
Same Patch Batch · OpenSift · 2026-03-06 · 3 CVEs total
| CVE-2026-28677 | 8.2 HIGH | OpenSift: Insufficient URL destination restrictions in ingest flow could enable SSRF-style |
| CVE-2026-28675 | 5.3 MEDIUM | OpenSift: Sensitive implementation details exposed via raw exception messages and token-re |
IV. Related Vulnerabilities
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- CVE-2026-28677
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OpenSift: SSRF risk in URL ingestion endpoint - CVE-2026-27169
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Same vendor: OpenSift
- CVE-2026-28677
OpenSift: Insufficient URL destination restrictions in inges - 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-22
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