CVE-2026-78581

Authorization Bypass Through User-Controlled Key in Kibana Leading to Unauthorized Data Modification in Kibana

State
Published
Severity
4.2 Medium
Published
Aug 25, 2026
Updated
Aug 25, 2026
Reserved
Aug 24, 2026

Read the record on cve.org

Description

Authorization Bypass Through User-Controlled Key (CWE-639) in Kibana can lead to unauthorized data modification via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). Under certain conditions, an authenticated user could reference another user's AI Assistant conversation identifier to access or modify a conversation they do not own. Successful exploitation requires knowledge of a hard-to-guess identifier.

Scores

CVSSScoreVectorSource
3.14.2 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:Nelastic

Weaknesses

  • CWE-639 Authorization Bypass Through User-Controlled Key

Affected Products

ProductVersions
KibanaElastic
  • 8.0.0 through 8.16.2Affected

References

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