Quick answers
- Is CVE-2026-108823 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-108823 being exploited in the wild.
- How severe is CVE-2026-108823?
- Informational severity, published 19 October 2026.
- Which products and versions are affected?
- Apache Kylin 4.0.0 through 5.0.4.
- Is there a fix for CVE-2026-108823?
- Yes: fixed in 5.0.5. Until then: Ensure job services are not exposed to public or untrusted networks; restrict network access to Kylin job manipulation endpoints to trusted internal networks only. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-108823 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-108823?
- 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
Ensure job services are not exposed to public or untrusted networks; restrict network access to Kylin job manipulation endpoints to trusted internal networks only.
Technical details
An information disclosure vulnerability exists in Apache Kylin's job manipulation functionality that may expose sensitive data to unauthorized actors. The vulnerability affects versions 4.0.0 through 5.0.4 and is exploitable if job services are exposed to untrusted networks. A fix is available in version 5.0.5.
Affected products
- Apache Kylin 4.0.0 through 5.0.4
Timeline
- 2026-10-19: disclosed