U.S. flag   An official website of the United States government
Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock (Dot gov) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-35383 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government
CVSS-B 6.9 MEDIUM
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

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to [email protected].

URL Source(s) Tag(s)
https://cesium.com/learn/ion/cesium-ion-access-tokens/ Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-092-01.json Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government
https://www.cve.org/CVERecord?id=CVE-2026-35383 Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government

Weakness Enumeration

CWE-ID CWE Name Source
CWE-540 Inclusion of Sensitive Information in Source Code Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-35383
NVD Published Date:
04/02/2026
NVD Last Modified:
04/02/2026
Source:
Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government