# CVE-2026-35383

## Summary

- **CVE ID:** CVE-2026-35383
- **Severity:** MEDIUM
- **CVSS Score:** 6.9 (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)
- **CWE:** CWE-540
- **Published:** Apr 2, 2026
- **Last Modified:** Apr 14, 2026

## 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.

## Affected Products

- Bentley Systems — iTwin Platform (0)
- Bentley Systems — iTwin Platform (2026-03-27)

## References

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

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.28%
- **EPSS Percentile:** 20.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._