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CVE-2026-108735— Miniflux 2.3.0 through 2.3.3 SSRF via Per-Feed Proxy URL

Quick assessment

Affected
miniflux miniflux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Miniflux 2.3.0 至 2.3.3 版本存在服务器端请求伪造（SSRF）漏洞。攻击者通过设置 feed 的 proxy_url，可以让认证用户访问内部地址。该漏洞允许攻击者将 proxy_url 指向回环地址或内部主机，绕过 FETCHER_ALLOW_PRIVATE_NETWORKS 检查，从而探测内部端口，并向内部服务发送类似代理的请求。

CVSS 4.3 · Medium EPSS 0.27% · P18

Affected Version Matrix 1

VendorProduct Version RangeStatus
miniflux miniflux 2.3.0≤ 2.3.3 affected
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I. Basic Information for CVE-2026-108735

Vulnerability Information
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Vulnerability Title
Miniflux 2.3.0 through 2.3.3 SSRF via Per-Feed Proxy URL
Source: CVE Program / CVE List V5
Vulnerability Description
Miniflux 2.3.0 through 2.3.3 contains a server-side request forgery vulnerability that allows authenticated users to reach internal addresses by setting a feed's proxy_url. Attackers can point proxy_url at loopback or internal hosts, bypassing FETCHER_ALLOW_PRIVATE_NETWORKS checks to probe internal ports and send proxy-style requests to internal services.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
miniflux miniflux 2.3.0 ~ 2.3.3 -

II. Public POCs for CVE-2026-108735

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-108735

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Patches & Fixes for CVE-2026-108735 (2)

Vendor Advisories for CVE-2026-108735 (1)

Security Blog Posts for CVE-2026-108735 (1)

IV. Related Vulnerabilities

Same vendor: miniflux
Same weakness: CWE-918

V. Comments for CVE-2026-108735

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