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CVE-2026-92775— Wiki.js through 2.5.314 Server-Side Request Forgery via Image Prefetch

Quick assessment

Affected
requarks Wiki.js
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.

Wiki.js 在 2.5.314 及之前版本中存在一个服务器端请求伪造（SSRF）漏洞，该漏洞存在于图像预取渲染器中。该渲染器在获取任意 URL 时，未对协议、主机名或地址进行验证。拥有页面编辑权限的攻击者可以通过注入带有 类的 元素，使服务器向内部服务或云元数据端点发起请求，并将响应返回给攻击者。

CVSS 6.5 · Medium
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I. Basic Information for CVE-2026-92775

Vulnerability Information
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Vulnerability Title
Wiki.js through 2.5.314 Server-Side Request Forgery via Image Prefetch
Source: CVE Program / CVE List V5
Vulnerability Description
Wiki.js through 2.5.314 contains a server-side request forgery vulnerability in the Image Prefetch renderer that fetches arbitrary URLs without protocol, host, or address validation. Attackers with page editing permissions can inject img elements with the prefetch-candidate class to make the server request internal services and cloud metadata endpoints, with responses returned to the attacker.
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

Affected Products

Vendor Product Affected Versions CPE Subscribe
requarks Wiki.js 0 ~ 2.5.314 -

II. Public POCs for CVE-2026-92775

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III. Intelligence Information for CVE-2026-92775

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Other References for CVE-2026-92775 (4)

Same Patch Batch · requarks · 2026-09-16 · 3 CVEs total

CVE-2026-92776 8.1 HIGH Wiki.js through 2.5.314 Path Prefix Matching Authorization Bypass
CVE-2026-92774 4.3 MEDIUM Wiki.js through 2.5.314 Authorization Bypass via GraphQL Tag Omission

IV. Related Vulnerabilities

Same product: Wiki.js
Same vendor: requarks
Same weakness: CWE-918

V. Comments for CVE-2026-92775

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