Vulnerability · Published Sep 15, 2026 · Assigned by zdi

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

Medium 4.0

In plain English

A medium-severity server-side request forgery in Fabric.js from Fabric.js. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities).

Severity (CVSS 3.0)4.0Medium

Exploit odds (30 days)0.1%top 95.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Fabric.js	Fabric.js	7.2.0

Weakness: CWE-918 · Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

References

ZDI-26-588 x_research-advisory