# CVE-2026-68573: Apache Kylin improper authentication in system cleanup

Source: https://junglewise.ai/threats/cve-2026-68573-improper-authentication-vulnerability-in-apache-kylin  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-16. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-68573 · Severity: info · Published 2026-10-16

Apache Kylin is an open-source data warehouse and analytics platform. An improper authentication vulnerability allows unauthenticated users to access system cleanup actions, potentially disrupting service availability. The risk is primarily to Kylin deployments directly exposed on public networks; internal deployments are generally unaffected.

Technologies: [Apache Kylin](https://junglewise.ai/threats/technologies/kylin). Vendors: [Apache](https://junglewise.ai/threats/vendors/apache).

## Quick answers

**Is CVE-2026-68573 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-68573 being exploited in the wild.

**How severe is CVE-2026-68573?** Informational severity, published 16 October 2026.

**Which products and versions are affected?** Apache Kylin 4 through 5.0.4.

**Is there a fix for CVE-2026-68573?** Yes: fixed in 5.0.5. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-68573 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-68573?** Check whether you run Apache Kylin 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.

## How to fix

- Fixed in 5.0.5

## Technical details

An improper authentication flaw in Apache Kylin allows unauthenticated access to system cleanup operations, typically restricted to authenticated administrators. The vulnerability affects Kylin versions 4 through 5.0.4 and requires network access to exposed instances. Exploitation could lead to unauthorized system maintenance actions or denial of service.

## Affected products

- Apache Kylin 4 through 5.0.4

## Timeline

- 2026-10-16: disclosed

## References

- [https://lists.apache.org/thread.html/4n3qt477rtvwnko2olb3hjwjll1yry8j](https://lists.apache.org/thread.html/4n3qt477rtvwnko2olb3hjwjll1yry8j)

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