CVE-2026-108823 Apache Software Foundation CVE debrief

Who should care

Defenders responsible for Apache Kylin deployments should assess exposure and upgrade to version 5.0.5. Those with job services exposed to public networks should prioritize remediation.

Why it matters

CVE-2026-108823 is a high-severity vulnerability in Apache Kylin that exposes sensitive information to unauthorized actors during job manipulation. Defenders should assess exposure and upgrade to version 5.0.5. The impact is minor unless job services are exposed to a public network, which is uncommon.

• Sensitive information exposure during job manipulation
• Potential unauthorized access to sensitive data
• Need to upgrade to version 5.0.5 to fix the issue
• Assess exposure of job services to public networks

Technical summary

CVE-2026-108823 is a high-severity vulnerability in Apache Kylin that exposes sensitive information to unauthorized actors during job manipulation. The CVSS score is 7.5, and the CVSS severity is HIGH. The vulnerability affects Apache Kylin versions from 4.0.0 through 5.0.4. The impact is minor unless job services are exposed to a public network, which is uncommon. Upgrading to version 5.0.5 fixes the issue. Defenders should assess exposure and review configurations to mitigate potential unauthorized access to sensitive data.

Defensive priority

Upgrade to version 5.0.5 to fix the issue. Assess exposure of job services to public networks.

Recommended defensive actions

• Upgrade to version 5.0.5
• Assess exposure of job services to public networks
• Review Apache Kylin job manipulation configurations
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.

Evidence notes

The CVE record and NVD vulnerability detail page provide information on the vulnerability. Apache Kylin versions from 4.0.0 through 5.0.4 are affected. The information available indicates that job manipulation can lead to exposure of sensitive information. Defenders should verify the exposure of job services to public networks and review Apache Kylin job manipulation configurations. Evidence from the CVE Program and NVD detail page suggests that upgrading to version 5.0.5 fixes the issue.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.