Fabric.js loadFromJSON Server-Side Request Forgery Vulnerability (CVE-2026-19504) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-19504

Fabric.js loadFromJSON Server-Side Request Forgery Vulnerability

Answer in brief

CVE-2026-19504 records a Unknown severity vulnerability in Fabric.js loadFromJSON Server-Side Request Forgery Vulnerability. The current sources do not mark it as known exploited. The current feed maps Fabric.js/Fabric.js (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 15, 2026Updated Sep 15, 2026Source checked Sep 16, 2026First seen by HOL Sep 15, 2026Material review Sep 15, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Fabric.js/Fabric.js (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Fabric.js/Fabric.jsgeneric	7.2.0	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Fabric.js/Fabric.js.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Sep 15, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 15, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 15, 2026

Sources and claim methodology

Source referencezerodayinitiative.com

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.