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I. Basic Information for CVE-2026-21885
Vulnerability Information

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Vulnerability Title
Miniflux Media Proxy SSRF via /proxy endpoint allows access to internal network resources
Source: NVD (National Vulnerability Database)
Vulnerability Description
Miniflux 2 is an open source feed reader. Prior to version 2.2.16, Miniflux's media proxy endpoint (`GET /proxy/{encodedDigest}/{encodedURL}`) can be abused to perform Server-Side Request Forgery (SSRF). An authenticated user can cause Miniflux to generate a signed proxy URL for attacker-chosen media URLs embedded in feed entry content, including internal addresses (e.g., localhost, private RFC1918 ranges, or link-local metadata endpoints). Requesting the resulting `/proxy/...` URL makes Miniflux fetch and return the internal response. Version 2.2.16 fixes the issue.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端请求伪造(SSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Miniflux 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Miniflux是Miniflux开源的一个极简主义的提要阅读器。 Miniflux 2 2.2.16之前版本存在安全漏洞,该漏洞源于媒体代理端点可被滥用,可能导致服务端请求伪造。
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
minifluxv2 < 2.2.16 -
II. Public POCs for CVE-2026-21885
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III. Intelligence Information for CVE-2026-21885
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IV. Related Vulnerabilities
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