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CVE-2026-42141— Xibo: Authenticated Server-Side Request Forgery (SSRF) in Library Upload via URL functionality

Quick assessment

Affected
xibosignage xibo-cms
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.

Xibo是Dan Garner个人开发者的一款数字标牌内容管理工具。 Xibo 4.4.1之前版本存在代码问题漏洞，该漏洞源于服务端请求伪造，可能导致认证用户扫描内部基础设施或访问内部服务。

CVSS 7.7 · High EPSS 0.42% · P34

Affected Version Matrix 1

VendorProduct Version RangeStatus
xibosignage xibo-cms < 4.4.1 affected
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I. Basic Information for CVE-2026-42141

Vulnerability Information
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Vulnerability Title
Xibo: Authenticated Server-Side Request Forgery (SSRF) in Library Upload via URL functionality
Source: CVE Program / CVE List V5
Vulnerability Description
Xibo is an open source digital signage platform with a web content management system and Windows display player software. Prior to 4.4.1, an authenticated Server-Side Request Forgery (SSRF) vulnerability in the Xibo CMS allows users with Library upload permissions to make arbitrary HTTP requests from the CMS server to internal or external network resources. This can be exploited to scan internal infrastructure, access local cloud metadata endpoints (e.g., AWS IMDS), interact with internal services that lack authentication, or exfiltrate data. This vulnerability is fixed in 4.4.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/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
Xibo 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Xibo是Dan Garner个人开发者的一款数字标牌内容管理工具。 Xibo 4.4.1之前版本存在代码问题漏洞，该漏洞源于服务端请求伪造，可能导致认证用户扫描内部基础设施或访问内部服务。
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
xibosignage xibo-cms < 4.4.1 -

II. Public POCs for CVE-2026-42141

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III. Intelligence Information for CVE-2026-42141

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Vendor Advisories for CVE-2026-42141 (1)

IV. Related Vulnerabilities

Same product: xibo-cms
Same vendor: xibosignage
Same weakness: CWE-918

V. Comments for CVE-2026-42141

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