Medium 6.5Published Apr 2, 2026

CVE-2026-35383Bentley Systems iTwin Platform exposed access token

Updated under an hour ago (Oct 27, 2026, 2:30 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for Bentley Systems iTwin Platform

Exploited in the last 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.

CVSS: 6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Weakness (CWE): CWE-540
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: cisa-cg
NVD analysis: Awaiting Analysis
Record last updated: Apr 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Bentley Systems iTwin Platform bentley_systems:itwin_platform (from the name)	before 2026-03-27; 2026-03-27 not affected	CNA record

References

References

https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-092-01.json
https://www.cve.org/CVERecord?id=CVE-2026-35383
https://cesium.com/learn/ion/cesium-ion-access-tokens/

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.