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

Quick assessment

Affected
Apache Software Foundation Apache Kvrocks
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache kvrocks是美国Apache基金会开源的一款兼容Redis协议的键值数据库。 Apache Kvrocks 2.0.4版本至2.15.0版本存在缓冲区错误漏洞，该漏洞源于cjson库中的Redis Lua HEAP溢出，可能导致攻击者利用网络访问远程利用漏洞，造成高机密性、高完整性和高可用性影响。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.48% · P41

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Apache Software Foundation Apache Kvrocks 2.0.4≤ 2.15.0 affected
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I. Basic Information for CVE-2026-46752

Vulnerability Information
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Vulnerability Title
Apache Kvrocks: Stack buffer overflow in Lua bit.tohex()
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Kvrocks 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache kvrocks是美国Apache基金会开源的一款兼容Redis协议的键值数据库。 Apache Kvrocks 2.0.4版本至2.15.0版本存在缓冲区错误漏洞，该漏洞源于cjson库中的Redis Lua HEAP溢出，可能导致攻击者利用网络访问远程利用漏洞，造成高机密性、高完整性和高可用性影响。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache Kvrocks 2.0.4 ~ 2.15.0 -

II. Public POCs for CVE-2026-46752

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III. Intelligence Information for CVE-2026-46752

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Mailing List Discussions for CVE-2026-46752 (1)

Same Patch Batch · Apache Software Foundation · 2026-06-25 · 7 CVEs total

CVE-2026-54226 Apache Kvrocks: RESTORE IntSet Integer Overflow Leads to Remote DoS
CVE-2026-46751 Apache Kvrocks: Does not remove the unsafe loadstring function from its Lua sandbox, allow
CVE-2026-45188 Apache Kvrocks: Replication Fullsync Path Traversal via Unvalidated Filename Handling
CVE-2026-41566 Apache Kvrocks: Improper permission for the APPLYBATCH command
CVE-2026-56130 Apache Shiro: Remember-me cookie isn't checked for expiry on the server
CVE-2026-56091 Apache Shiro: Authentication bypass in Guice-Web integration

IV. Related Vulnerabilities

Same product: Apache Kvrocks
Same vendor: Apache Software Foundation
Same weakness: CWE-122

V. Comments for CVE-2026-46752

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