CVE-2026-116366— Unauthenticated RCE vulnerability against ClickHouse Server
Quick assessment
Affected
ClickHouse ClickHouse
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.
在 ClickHouse Server 中发现了一个问题：在特定条件下，拥有网络访问权限的未认证用户可能得以在 ClickHouse Server 上执行任意代码。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-116366
Vulnerability Information
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Vulnerability Title
Unauthenticated RCE vulnerability against ClickHouse Server
Source: CVE Program / CVE List V5
Vulnerability Description
An issue has been discovered in ClickHouse Server that, under certain conditions, could allow an unauthenticated user with network access to execute arbitrary code on the ClickHouse Server.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:H/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
整数溢出或超界折返
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| ClickHouse | ClickHouse | 26.3 ~ 26.3.62.3-lts | - |
|
| ClickHouse | ClickHouse Cloud | 25.12 ~ 25.12.1.1713 | - |
|
II. Public POCs for CVE-2026-116366
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-116366 (2)
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