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CVE-2026-72597— Friendica Friendica - Server-Side Request Forgery

Quick assessment

Affected
Friendica Friendica
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.

Friendica是德国Friendica社区开源的一款去中心化的社交网络平台。 Friendica 2026.08-dev及之前版本存在服务端请求伪造漏洞，该漏洞源于link-preview端点获取用户提供的URL时未应用内部IP拒绝列表，可能导致经过身份验证的用户扫描内部网络或访问云元数据服务。

CVSS 6.5 · Medium EPSS 0.34% · P25

Affected Version Matrix 1

VendorProduct Version RangeStatus
Friendica Friendica ≤ 2026.08-dev affected
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I. Basic Information for CVE-2026-72597

Vulnerability Information
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Vulnerability Title
Friendica Friendica - Server-Side Request Forgery
Source: CVE Program / CVE List V5
Vulnerability Description
A server-side request forgery vulnerability in Friendica through the 2026.08-dev branch allows authenticated users with a free self-registered account to probe internal network services via the link-preview endpoint. The endpoint fetches any user-supplied URL without applying an internal IP deny list. An attacker can use this to scan the internal network or access cloud metadata services.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/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
Friendica 服务端请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Friendica是德国Friendica社区开源的一款去中心化的社交网络平台。 Friendica 2026.08-dev及之前版本存在服务端请求伪造漏洞，该漏洞源于link-preview端点获取用户提供的URL时未应用内部IP拒绝列表，可能导致经过身份验证的用户扫描内部网络或访问云元数据服务。
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
Friendica Friendica 0 ~ 2026.08-dev -

II. Public POCs for CVE-2026-72597

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III. Intelligence Information for CVE-2026-72597

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Vendor Pages for CVE-2026-72597 (1)

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-72597

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