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CVE-2026-108521— Studio-Saelix Sencho Add Remote Node API Endpoint validation.ts isValidRemoteUrl server-side request forgery

Quick assessment

Affected
Studio-Saelix Sencho
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.

Studio-Saelix Sencho 版本低于或等于 0.97.1 的软件中存在一个漏洞。该漏洞影响的是 Add Remote Node API Endpoint 组件中的 backend/src/utils/validation.ts 文件内的 isValidRemoteUrl 函数。这种操纵可导致服务器端请求伪造（SSRF）。该漏洞可通过远程方式利用。目前该漏洞已被公开，且可能被用于实际攻击。厂商确认：“节点 API URL 可以由拥有节点管理权限的经过身份验证的用户进行配置，并用于发起服务器端请求。该报告

CVSS 4.7 · Medium EPSS 0.22% · P11

Possible ATT&CK Techniques 1 AI

T1113 · Screen Capture

Affected Version Matrix 2

VendorProduct Version RangeStatus
Studio-Saelix Sencho 0.97.0 affected
0.97.1 affected
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I. Basic Information for CVE-2026-108521

Vulnerability Information
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Vulnerability Title
Studio-Saelix Sencho Add Remote Node API Endpoint validation.ts isValidRemoteUrl server-side request forgery
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in Studio-Saelix Sencho up to 0.97.1. Affected by this issue is the function isValidRemoteUrl of the file backend/src/utils/validation.ts of the component Add Remote Node API Endpoint. Such manipulation leads to server-side request forgery. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. The vendor confirms: "The node API URL could be configured by an authenticated user with node-management permission and used to initiate server-side requests. [T]he report demonstrates server-side request capability but not arbitrary internal response exfiltration."
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
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
Studio-Saelix Sencho 0.97.0 cpe:2.3:a:studio-saelix:sencho:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-108521

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III. Intelligence Information for CVE-2026-108521

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Proof of Concept for CVE-2026-108521 (1)

Same Patch Batch · Studio-Saelix · 2026-10-11 · 3 CVEs total

CVE-2026-108522 8.3 HIGH Studio-Saelix Sencho Login Endpoint login improper authentication
CVE-2026-108523 4.3 MEDIUM Studio-Saelix Sencho git-sources Browse API Endpoint outboundTarget.ts server-side request

IV. Related Vulnerabilities

Same product: Sencho
Same vendor: Studio-Saelix
Same weakness: CWE-918

V. Comments for CVE-2026-108521

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