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CVE-2026-35383

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:3be65f599481edc244c8a3156cee852c93e942d01b9b63e2b0e141cea353be71
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"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"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:993278e12b6c1261cef23c935ee891aeaa1cc434cc10fee9e3e709f399108115 · sha256:ae9f9f7f18e359b2… · /containers/cna/metrics/0/cvssV3_1

{"metric":{"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"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:993278e12b6c1261cef23c935ee891aeaa1cc434cc10fee9e3e709f399108115 · sha256:ae9f9f7f18e359b2… · /containers/cna/metrics/1/cvssV4_0

Affected products and versions

1 source assertion
{"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"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:993278e12b6c1261cef23c935ee891aeaa1cc434cc10fee9e3e709f399108115 · sha256:ae9f9f7f18e359b2… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"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"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:993278e12b6c1261cef23c935ee891aeaa1cc434cc10fee9e3e709f399108115 · sha256:ae9f9f7f18e359b2… · /containers/cna/metrics/0/cvssV3_1
{"metric":{"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"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:993278e12b6c1261cef23c935ee891aeaa1cc434cc10fee9e3e709f399108115 · sha256:ae9f9f7f18e359b2… · /containers/cna/metrics/1/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-540","description":"CWE-540 Inclusion of Sensitive Information in Source Code","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:993278e12b6c1261cef23c935ee891aeaa1cc434cc10fee9e3e709f399108115 · sha256:ae9f9f7f18e359b2… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"url","url":"https://cesium.com/learn/ion/cesium-ion-access-tokens/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:993278e12b6c1261cef23c935ee891aeaa1cc434cc10fee9e3e709f399108115 · sha256:ae9f9f7f18e359b2… · /containers/cna/references/2
{"name":"url","url":"https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-092-01.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:993278e12b6c1261cef23c935ee891aeaa1cc434cc10fee9e3e709f399108115 · sha256:ae9f9f7f18e359b2… · /containers/cna/references/0
{"name":"url","url":"https://www.cve.org/CVERecord?id=CVE-2026-35383"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:993278e12b6c1261cef23c935ee891aeaa1cc434cc10fee9e3e709f399108115 · sha256:ae9f9f7f18e359b2… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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