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CVE-2026-19504— Fabric.js loadFromJSON Server-Side Request Forgery Vulnerability

Quick assessment

Affected
Fabric.js Fabric.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.

Fabric.js 的 loadFromJSON 服务端请求伪造（SSRF）漏洞。该漏洞允许远程攻击者在受影响的 Fabric.js 安装环境中泄露敏感信息。利用此漏洞需要与该库进行交互，但具体的攻击向量可能因具体实现方式的不同而有所差异。 具体缺陷存在于 方法的实现中。该问题源于在访问资源前未对 URI 进行适当的验证。攻击者可利用该漏洞不当访问网络资源。该漏洞编号为 ZDI-CAN-29318。

AI Predicted 6.1 Difficulty: Moderate

Affected Version Matrix 1

VendorProduct Version RangeStatus
Fabric.js Fabric.js 7.2.0 affected
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I. Basic Information for CVE-2026-19504

Vulnerability Information
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Vulnerability Title
Fabric.js loadFromJSON Server-Side Request Forgery Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Fabric.js loadFromJSON Server-Side Request Forgery Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Fabric.js. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation. The specific flaw exists within the implementation of the loadFromJSON method. The issue results from the lack of proper validation of a URI prior to accessing resources. An attacker may be able to leverage this vulnerability to gain improper access to network resources. Was ZDI-CAN-29318.
Source: CVE Program / CVE List V5
CVSS Information
N/A
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
Fabric.js Fabric.js 7.2.0 -

II. Public POCs for CVE-2026-19504

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III. Intelligence Information for CVE-2026-19504

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Vendor Advisories for CVE-2026-19504 (1)

IV. Related Vulnerabilities

Same product: Fabric.js
Same weakness: CWE-918

V. Comments for CVE-2026-19504

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