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CVE-2026-71246— Pixelfed - Authenticated SSRF via Remote URL Search

Quick assessment

Affected
pixelfed pixelfed
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.

Pixelfed是Pixelfed社区开源的一款企业级文档管理软件。 Pixelfed存在服务端请求伪造漏洞，该漏洞源于远程搜索参数中URL的验证不充分，未检查解析后的IP地址是否属于私有、内部或链路本地范围，可能导致任意登录用户利用服务端请求伪造漏洞。

CVSS 4.3 · Medium EPSS 0.16% · P6

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
pixelfed pixelfed affected
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I. Basic Information for CVE-2026-71246

Vulnerability Information
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Vulnerability Title
Pixelfed - Authenticated SSRF via Remote URL Search
Source: CVE Program / CVE List V5
Vulnerability Description
Pixelfed's SearchController (behind the auth middleware) accepts a URL via its remote-search parameters and fetches it server-side through ActivityPubFetchService, whose validateUrl only blocks the literal hosts 127.0.0.1, localhost, and ::1 and requires https, without checking the resolved IP against private, internal, or link-local ranges (e.g. 169.254.169.254).
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
Vulnerability Title
Pixelfed 服务端请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Pixelfed是Pixelfed社区开源的一款企业级文档管理软件。 Pixelfed存在服务端请求伪造漏洞，该漏洞源于远程搜索参数中URL的验证不充分，未检查解析后的IP地址是否属于私有、内部或链路本地范围，可能导致任意登录用户利用服务端请求伪造漏洞。
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

Vendor Product Affected Versions CPE Subscribe
pixelfed pixelfed 0 -

II. Public POCs for CVE-2026-71246

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III. Intelligence Information for CVE-2026-71246

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Vendor Pages for CVE-2026-71246 (1)

IV. Related Vulnerabilities

Same product: pixelfed
Same vendor: pixelfed
Same weakness: CWE-918

V. Comments for CVE-2026-71246

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