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CVE-2026-35194— Apache Flink: Remote code execution via SQL injection in code generation

Quick assessment

Affected
Apache Software Foundation Apache Flink
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 Flink是美国阿帕奇（Apache）基金会的一款开源的分布式流数据处理引擎。该产品主要使用Java和Scala语言编写。 Apache Flink 1.15.0至1.20.x版本和2.0.0至2.x版本存在代码注入漏洞，该漏洞源于SQL代码生成中用户控制的字符串被插入生成的Java代码而未进行适当转义，可能导致具有查询提交权限的认证用户通过恶意构造的SQL查询在TaskManagers上执行任意代码。

AI Predicted 8.8 Difficulty: Easy EPSS 0.66% · P50

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Apache Software Foundation Apache Flink 1.15.0< 1.20.4,2.0.2,2.1.2,2.2.1 affected
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I. Basic Information for CVE-2026-35194

Vulnerability Information
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Vulnerability Title
Apache Flink: Remote code execution via SQL injection in code generation
Source: CVE Program / CVE List V5
Vulnerability Description
Code injection in SQL code generation in Apache Flink 1.15.0 through 1.20.x and 2.0.0 through 2.x allows authenticated users with query submission privileges to execute arbitrary code on TaskManagers via maliciously crafted SQL queries. The vulnerability affects JSON functions (1.15.0+) and LIKE expressions with ESCAPE clauses (1.17.0+). User-controlled strings are interpolated into generated Java code without proper escaping, allowing attackers to break out of string literals and inject arbitrary expressions. Users are recommended to upgrade to either version 1.20.4, 2.0.2, 2.1.2 or 2.2.1, which fixes this issue.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Flink 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Flink是美国阿帕奇（Apache）基金会的一款开源的分布式流数据处理引擎。该产品主要使用Java和Scala语言编写。 Apache Flink 1.15.0至1.20.x版本和2.0.0至2.x版本存在代码注入漏洞，该漏洞源于SQL代码生成中用户控制的字符串被插入生成的Java代码而未进行适当转义，可能导致具有查询提交权限的认证用户通过恶意构造的SQL查询在TaskManagers上执行任意代码。
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 Flink 1.15.0 ~ 1.20.4,2.0.2,2.1.2,2.2.1 -

II. Public POCs for CVE-2026-35194

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III. Intelligence Information for CVE-2026-35194

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Mailing List Discussions for CVE-2026-35194 (1)

IV. Related Vulnerabilities

Same product: Apache Flink
Same vendor: Apache Software Foundation
Same weakness: CWE-94

V. Comments for CVE-2026-35194

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