Description
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.
Published: 2026-04-02
Score: 6.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Exposed Cesium ion access token allowing unauthenticated enumeration or deletion of assets
Action: Apply Fix
AI Analysis

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Remediation

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Tracking

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Advisories

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History

Tue, 14 Apr 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 03 Apr 2026 10:15:00 +0000

Type Values Removed Values Added
First Time appeared Bentley Systems
Bentley Systems itwin Platform
Vendors & Products Bentley Systems
Bentley Systems itwin Platform

Thu, 02 Apr 2026 20:30:00 +0000

Type Values Removed Values Added
Description 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.
Title Bentley Systems iTwin Platform exposed access token
Weaknesses CWE-540
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N'}


Subscriptions

Bentley Systems Itwin Platform
cve-icon MITRE

Status: PUBLISHED

Assigner: cisa-cg

Published:

Updated: 2026-04-14T14:04:32.831Z

Reserved: 2026-04-02T14:02:18.782Z

Link: CVE-2026-35383

cve-icon Vulnrichment

Updated: 2026-04-14T14:04:29.299Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-04-02T20:16:29.260

Modified: 2026-04-03T16:10:23.730

Link: CVE-2026-35383

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-03T09:16:27Z

Weaknesses