# CVE-2026-72662: Elastic Kibana authorization bypass in Timeline feature

Source: https://junglewise.ai/threats/cve-2026-72662-authorization-bypass-through-user-controlled-key-cwe-639-in  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-26. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-72662 · Severity: medium · CVSS 6.3 · Published 2026-09-26

An authorization flaw in Kibana's Timeline feature allows authenticated users to access, modify, and delete draft Timeline data belonging to other users within the same space. An attacker with Timeline privileges can view sensitive investigation data created by colleagues, alter findings, or destroy timeline objects, potentially compromising security investigations and evidence integrity.

Technologies: [Elastic Kibana](https://junglewise.ai/threats/technologies/kibana). Vendors: [Elastic](https://junglewise.ai/threats/vendors/elastic).

## Quick answers

**Is CVE-2026-72662 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-72662 being exploited in the wild.

**How severe is CVE-2026-72662?** Medium severity, with a CVSS score of 6.3, published 26 September 2026.

**Which products and versions are affected?** Elastic Kibana 8.0.0 to 8.19.21; 9.4.0 to 9.4.5.

**Is there a fix for CVE-2026-72662?** A patch was published on 2026-09-26: Fixed in Kibana 8.19.22 and 9.4.6 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-72662 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-72662?** Check whether you run Elastic Kibana at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

An authorization bypass vulnerability (CWE-639) in Kibana's Timeline feature fails to properly constrain access controls on draft Timeline objects. Authenticated users with Timeline read privilege can enumerate and disclose other users' draft Timelines; those with write privilege can also modify or delete them. The vulnerability requires authentication and Timeline feature privilege in a Kibana space but does not require user interaction.

## Affected products

- Elastic Kibana 8.0.0 to 8.19.21; 9.4.0 to 9.4.5

## Timeline

- 2026-09-26: disclosed
- 2026-09-26: patched: Fixed in Kibana 8.19.22 and 9.4.6

## References

- [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)

## Related threats

- [Elastic Kibana authorization bypass in connector logs](https://junglewise.ai/threats/cve-2026-115295-authorization-bypass-through-user-controlled-key-cwe-639-in)
- [Elastic Kibana path traversal in Fleet feature](https://junglewise.ai/threats/cve-2026-115294-improper-limitation-of-a-pathname-to-a-restricted-directory-cwe)
- [Elastic Kibana credential disclosure in Observability onboarding](https://junglewise.ai/threats/cve-2026-115293-insertion-of-sensitive-information-into-sent-data-cwe-201-in)
- [Elastic Kibana authorization bypass in Machine Learning](https://junglewise.ai/threats/cve-2026-115292-authorization-bypass-through-user-controlled-key-cwe-639-in)
- [Elastic Kibana incorrect authorization in Fleet settings](https://junglewise.ai/threats/cve-2026-102412-incorrect-authorization-cwe-863-in-kibana-can-lead-to-sensitive)