CVE-2026-35383: Bentley Systems Itwin Platform

Medium severity, CVSS 6.5. EPSS: 0.5% chance of exploitation in the next 30 days.

Bentley Systems iTwin Platform exposed a Cesium ion access token in the source of some web pages. An unauthenticated attacker could use this token to enumerate or delete certain assets. As of 2026-03-27, the token is no longer present in the web pages and cannot be used to enumerate or delete assets.

Affected products

Published 2026-04-02. Last modified 2026-07-24.