PT-2026-29884 · Bentley Systems · Itwin Platform

Mohamed Samy Dawood · Published 2026-04-02 · Updated 2026-04-03 · CVE-2026-35383

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Bentley Systems iTwin Platform (affected versions not specified)

Description The iTwin Platform exposed a Cesium ion access token in the source code of some web pages. An unauthenticated attacker could potentially use this token to enumerate or delete assets.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-540

Related Identifiers

CVE-2026-35383

Affected Products

Itwin Platform

References · 5

• https://cve.org/CVERecord?id=CVE-2026-35383 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-35383 · Security Note
• https://twitter.com/CVEnew/status/2040128772914000013 · Twitter Post
• 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