CVE-2026-116366：ClickHouse Server 未授權遠端執行漏洞
CVE-2026-116366 - Unauthenticated RCE vulnerability against ClickHouse Server
ClickHouse Server 近期發現一個 CVE-2026-116366 未授權遠端執行漏洞，允許攻擊者在網路上執行任意程式碼。
- 漏洞影響：任意未授權使用者可透過網路更新伺服器程式，進而執行任意程式碼。
此 CVE 允許未授權使用者透過網路執行任意程式，使用者須立即升級 ClickHouse Server 並限制網路存取，以防止遠端執行攻擊。
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.
Impact
Affected Products
The following products are affected by CVE-2026-116366
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
| ID | Vendor | Product | Action |
|---|---|---|---|
| 1 | Clickhouse | clickhouse |
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | CRITICAL | cb7ba516-3b07-4c98-b0c2-715220f1a8f6 | ||||
| CVSS 4.0 | CRITICAL | cb7ba516-3b07-4c98-b0c2-715220f1a8f6 |
Address authentication bypass allowing remote code execution by updating the server.
- Update ClickHouse Server to the latest version.
- Verify server configuration for security.
- Restrict network access to authorized sources.
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-116366.
| URL | Resource |
|---|---|
| https://clickhouse.com/docs/resources/changelogs/security-changelog | |
| https://github.com/ClickHouse/ClickHouse/blob/master/SECURITY.md |
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-116366 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-116366
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-116366 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-116366 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by cb7ba516-3b07-4c98-b0c2-715220f1a8f6
十月. 30, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-190 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/116xxx/CVE-2026-116366.json">CVE-2026-116366</a> Added Reference https://clickhouse.com/docs/resources/changelogs/security-changelog Added Reference https://github.com/ClickHouse/ClickHouse/blob/master/SECURITY.md
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.