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High severity8.1NVD Advisory· Published May 15, 2026· Updated May 18, 2026

CVE-2026-35194

CVE-2026-35194

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
org.apache.flink:flink-table-planner_2.12Maven
>= 1.15.0, < 1.20.41.20.4
org.apache.flink:flink-table-planner_2.12Maven
>= 2.0.0, < 2.0.22.0.2
org.apache.flink:flink-table-planner_2.12Maven
>= 2.1.0, < 2.1.22.1.2
org.apache.flink:flink-table-planner_2.12Maven
>= 2.2.0, < 2.2.12.2.1
org.apache.flink:flink-table-api-javaMaven
>= 1.15.0, < 1.20.41.20.4
org.apache.flink:flink-table-api-javaMaven
>= 2.0.0, < 2.0.22.0.2
org.apache.flink:flink-table-api-javaMaven
>= 2.1.0, < 2.1.22.1.2
org.apache.flink:flink-table-api-javaMaven
>= 2.2.0, < 2.2.12.2.1
org.apache.flink:flink-table-runtimeMaven
>= 1.15.0, < 1.20.41.20.4
org.apache.flink:flink-table-runtimeMaven
>= 2.0.0, < 2.0.22.0.2
org.apache.flink:flink-table-runtimeMaven
>= 2.1.0, < 2.1.22.1.2
org.apache.flink:flink-table-runtimeMaven
>= 2.2.0, < 2.2.12.2.1

Affected products

2

Patches

Vulnerability mechanics

References

6

News mentions

1