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CVE-2026-72675: Missing Authorization (CWE-862) in Kibana can lead to cross-space information disclosure and unautho…

Occurred
Aug 13, 2026
Published
Aug 13, 2026
Source
NVD CVE

Summary

Missing Authorization (CWE-862) in Kibana can lead to cross-space information disclosure and unauthorized data modification via Privilege Abuse (CAPEC-122). Kibana Machine Learning carries out its Elasticsearch operations with elevated internal permissions and relies on a per-request space filter to keep the machine learning data of one space separated from another. Part of the Machine Learning functionality did not apply that filter, so operations issued from one space were carried out against the machine learning data of every space in the deployment.

Tags

  • CVE
  • CVE-2026-72675
  • cvss:HIGH

Classification

Category confidence: 90%
Severity confidence: 85%

Rationale: Missing authorization in Kibana allows unauthorized data access and modification across spaces, constituting a significant privacy and security breach.

Classifier: Qwen/Qwen3.5-35B-A3B-FP8

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