CVE-2026-64610
Awaiting Analysis Awaiting Analysis - Queue

Unsafe Java Deserialization in Apache Kylin

Publication date: 2026-10-16

Last updated on: 2026-10-16

Assigner: Apache Software Foundation

Description
Deserialization of Untrusted Data vulnerability in Apache Kylin. Unsafe Java deserialization could happen from a broken external cache service. This issue affects Apache Kylin: from 4 through 5.0.4. Users are recommended to upgrade to version 5.0.5, which fixes the issue.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-10-16
Last Modified
2026-10-16
Generated
2026-10-16
AI Q&A
2026-10-16
EPSS Evaluated
N/A
NVD
CVE-2026-64610
EUVD
EUVD-2026-102853

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Apache Software Foundation Apache Kylin 4..0.0

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-502 The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This is a deserialization of untrusted data vulnerability in Apache Kylin. It occurs when unsafe Java deserialization happens due to a broken external cache service, potentially allowing malicious code execution.

Detection Guidance

To detect this vulnerability, check the Apache Kylin version running on your system. If it is between 4.0.0 and 5.0.4, the system is vulnerable. Run the command: kylin.sh version or check the version in the web UI. Upgrade to version 5.0.5 or later to mitigate the risk.

Impact Analysis

An attacker could exploit this to execute arbitrary code on the server running Apache Kylin, leading to data breaches, system compromise, or denial of service. Systems using affected versions (4.0.0 to 5.0.4) are at risk.

Compliance Impact

This vulnerability could lead to unauthorized data access or exfiltration, violating GDPR's data protection requirements and HIPAA's safeguards for protected health information. Non-compliance risks fines and legal consequences.

Mitigation Strategies
  • Upgrade Apache Kylin to version 5.0.5 or later to fix the deserialization vulnerability.
  • Check if your current version falls within the affected range (4.0.0 through 5.0.4) and update if necessary.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-64610. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart