CVE-2026-64610CWE-502insecure-deserialization

CVE-2026-64610

Critical · published October 16, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
47.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00581 · 47.0th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-10-16T17:16Z
References (2)
https://lists.apache.org/thread.html/5jwj20t50wc6x9pw0zmlj8tzfl37dpry · [email protected]http://www.openwall.com/lists/oss-security/2026/10/16/3 · af854a3a-2127-422b-91ae-364da2661108
EPSS history
Timeline
  • 18 OCT 03:31Z
    EPSS moved — → 0%
    epss
  • 16 OCT 12:13Z
    Apache Kylin: Redis unsafe Java deserialization
    cvelistv5
  • 16 OCT 12:13Z
    Apache Kylin: Redis unsafe Java deserialization
    cvelistv5