ZDI-26-588: Fabric.js loadFromJSON Server-Side Request Forgery Vulnerability

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Aug 24, 2026 · Catalog

   Detected

   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 ZDI has assigned a CVSS rating of 4.0. The following CVEs are assigned: CVE-2026-19504.

Sources

• CVE.orgVulnerability recordCVE-2026-19504

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2026-19504

  30-day exploitation probability 0.1%

  first.org
• Zero Day InitiativeCoordinated disclosureZDI-26-588

  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 ZDI has assigned a CVSS rating of 4.0. The following CVEs are assigned: CVE-2026-19504.

  zerodayinitiative.com