# CVE-2026-72662: Authorization Bypass Through User-Controlled Key in Kibana Leading to Unauthorized Disclosure, Modification, and Deletion of Data

> CVE-2026-72662: Authorization Bypass Through User-Controlled Key in Kibana Leading to Unauthorized Disclosure, Modification, and Deletion of Data. CVSS 6.3 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-72662
Last updated: 2026-09-28T16:31:47Z

- Published: 2026-09-26 20:42 UTC · Updated: 2026-09-28 16:31 UTC · Assigner: elastic
- CVSS: 6.3 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
- EPSS: 0.18%, 7th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-639

## Description

Authorization Bypass Through User-Controlled Key (CWE-639) in Kibana can lead to unauthorized disclosure, modification, and deletion of data via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). An authenticated user granted the Timeline feature privilege in a Kibana space could enumerate, read, modify, and delete draft Timeline objects belonging to other users in the same space. Read access is sufficient for enumeration and disclosure; the Timeline write privilege is required for modification and deletion.

## Affected vendors and products

- Elastic: Kibana

## Tracked companies

- [Elastic Cloud](https://rewindex.com/company/elastic-cloud.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-72662)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-72662)
- [https://discuss.elastic.co/t/kibana-8-19-22-9-4-6-security-update-esa-2026-103/390679](https://discuss.elastic.co/t/kibana-8-19-22-9-4-6-security-update-esa-2026-103/390679)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-72662 · Markdown: https://rewindex.com/cve/CVE-2026-72662.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-72662 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T04:05:26.337Z