What is CVE-2026-35383?

CVE-2026-35383 is a medium-severity vulnerability in Bentley Systems Itwin Platform, classified under CWE-540. CVSS score: 6.5/10. Published 2026-04-02.

How severe is CVE-2026-35383?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Bentley Systems Itwin Platform

CVE-2026-35383

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 t…

EPSS: 0.001 (15.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L.

Affected products

Bentley Systems Itwin Platform — versions 0, 2026-03-27

Weakness classification (CWE)

CWE-540

References

Frequently asked questions

What is CVE-2026-35383?: CVE-2026-35383 is a medium-severity vulnerability in Bentley Systems Itwin Platform, classified under CWE-540. CVSS score: 6.5/10. Published 2026-04-02.
How severe is CVE-2026-35383?: Medium severity. CVSS v3 base score is 6.5 out of 10.