PT-2026-29884 · Bentley Systems · Itwin Platform

Published 2026-04-02 · Updated 2026-04-02 · CVE-2026-35383

NVD

CVSS v3.1

6.5

Medium

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

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.

Fix

Weakness Enumeration

CWE-540

Related Identifiers

CVE-2026-35383

Affected Products

Itwin Platform

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-35383 · Security Note
• https://cve.org/CVERecord?id=CVE-2026-35383 · Security Note
• https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-092-01.json · Note
• https://cesium.com/learn/ion/cesium-ion-access-tokens · Note