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2 vulnerabilities found for iTwin Platform by Bentley Systems

CVE-2026-35383 (GCVE-0-2026-35383)

Vulnerability from nvd – Published: 2026-04-02 19:04 – Updated: 2026-04-02 19:04
VLAI?
Title
Bentley Systems iTwin Platform exposed access token
Summary
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.
Severity ?
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
6.9 (Medium)
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 - Inclusion of Sensitive Information in Source Code
Assigner
References
Impacted products
Vendor Product Version
Bentley Systems iTwin Platform Affected: 0 , < 2026-03-27 (custom)
Unaffected: 2026-03-27
Create a notification for this product.
Date Public ?
2026-04-02 00:00
Credits
Mohamed Samy Dawood
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "iTwin Platform",
          "vendor": "Bentley Systems",
          "versions": [
            {
              "lessThan": "2026-03-27",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            },
            {
              "status": "unaffected",
              "version": "2026-03-27"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Mohamed Samy Dawood"
        }
      ],
      "datePublic": "2026-04-02T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "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": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
            "version": "3.1"
          }
        },
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "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",
            "version": "4.0",
            "vulnAvailabilityImpact": "LOW",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "NONE"
          }
        },
        {
          "other": {
            "content": {
              "id": "CVE-2026-35383",
              "options": [
                {
                  "Exploitation": "poc"
                },
                {
                  "Automatable": "yes"
                },
                {
                  "Technical Impact": "partial"
                }
              ],
              "role": "CISA Coordinator",
              "timestamp": "2026-03-25T14:39:05.356015Z",
              "version": "2.0.3"
            },
            "type": "ssvc"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-540",
              "description": "CWE-540 Inclusion of Sensitive Information in Source Code",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-02T19:04:09.008Z",
        "orgId": "9119a7d8-5eab-497f-8521-727c672e3725",
        "shortName": "cisa-cg"
      },
      "references": [
        {
          "name": "url",
          "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-092-01.json"
        },
        {
          "name": "url",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-35383"
        },
        {
          "name": "url",
          "url": "https://cesium.com/learn/ion/cesium-ion-access-tokens/"
        }
      ],
      "title": "Bentley Systems iTwin Platform exposed access token"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9119a7d8-5eab-497f-8521-727c672e3725",
    "assignerShortName": "cisa-cg",
    "cveId": "CVE-2026-35383",
    "datePublished": "2026-04-02T19:04:09.008Z",
    "dateReserved": "2026-04-02T14:02:18.782Z",
    "dateUpdated": "2026-04-02T19:04:09.008Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-35383 (GCVE-0-2026-35383)

Vulnerability from cvelistv5 – Published: 2026-04-02 19:04 – Updated: 2026-04-02 19:04
VLAI?
Title
Bentley Systems iTwin Platform exposed access token
Summary
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.
Severity ?
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
6.9 (Medium)
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 - Inclusion of Sensitive Information in Source Code
Assigner
References
Impacted products
Vendor Product Version
Bentley Systems iTwin Platform Affected: 0 , < 2026-03-27 (custom)
Unaffected: 2026-03-27
Create a notification for this product.
Date Public ?
2026-04-02 00:00
Credits
Mohamed Samy Dawood
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "iTwin Platform",
          "vendor": "Bentley Systems",
          "versions": [
            {
              "lessThan": "2026-03-27",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            },
            {
              "status": "unaffected",
              "version": "2026-03-27"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Mohamed Samy Dawood"
        }
      ],
      "datePublic": "2026-04-02T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "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": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
            "version": "3.1"
          }
        },
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "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",
            "version": "4.0",
            "vulnAvailabilityImpact": "LOW",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "NONE"
          }
        },
        {
          "other": {
            "content": {
              "id": "CVE-2026-35383",
              "options": [
                {
                  "Exploitation": "poc"
                },
                {
                  "Automatable": "yes"
                },
                {
                  "Technical Impact": "partial"
                }
              ],
              "role": "CISA Coordinator",
              "timestamp": "2026-03-25T14:39:05.356015Z",
              "version": "2.0.3"
            },
            "type": "ssvc"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-540",
              "description": "CWE-540 Inclusion of Sensitive Information in Source Code",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-02T19:04:09.008Z",
        "orgId": "9119a7d8-5eab-497f-8521-727c672e3725",
        "shortName": "cisa-cg"
      },
      "references": [
        {
          "name": "url",
          "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-092-01.json"
        },
        {
          "name": "url",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-35383"
        },
        {
          "name": "url",
          "url": "https://cesium.com/learn/ion/cesium-ion-access-tokens/"
        }
      ],
      "title": "Bentley Systems iTwin Platform exposed access token"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9119a7d8-5eab-497f-8521-727c672e3725",
    "assignerShortName": "cisa-cg",
    "cveId": "CVE-2026-35383",
    "datePublished": "2026-04-02T19:04:09.008Z",
    "dateReserved": "2026-04-02T14:02:18.782Z",
    "dateUpdated": "2026-04-02T19:04:09.008Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}