CVE-2020-26296: Vega Project Vega

High severity, CVSS 8.7. EPSS: 1.7% chance of exploitation in the next 30 days.

Vega is a visualization grammar, a declarative format for creating, saving, and sharing interactive visualization designs. Vega in an npm package. In Vega before version 5.17.3 there is an XSS vulnerability in Vega expressions. Through a specially crafted Vega expression, an attacker could execute arbitrary javascript on a victim's machine. This is fixed in version 5.17.3

Affected products

• Vega Project Vega: before 5.17.3 (fixed in 5.17.3)

Published 2020-12-30. Last modified 2026-06-17.