CVE-2026-46752: Apache Kvrocks: Stack buffer overflow in Lua bit.tohex()

Severity: critical (CVSS 10.0 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-25 · updated 2026-10-25
Weakness: CWE-122

Description

Redis Lua HEAP overflow in cjson library vulnerability in Apache Kvrocks. This issue affects Apache Kvrocks: from 2.0.4 through 2.15.0. Users are recommended to upgrade to version 2.16.0, which fixes the issue.

Affected products

Apache Software Foundation Apache Kvrocks: from 2.0.4 through 2.15.0

References

https://lists.apache.org/thread/11sr3bkkhkk0q01odgw6ddsj7fzo31pt
http://www.openwall.com/lists/oss-security/2026/06/25/4

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