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LangChain4j: SQL injection via metadata filters in langchain4j-mariadb and langchain4j-pgvector

🗓️ 17 Jun 2026 18:39:56Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 13 Views

SQL injection via metadata filter keys in langchain4j MariaDB and pgvector stores from unsafe key/value concatenation.

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Detection
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Node
dev.langchain4jlangchain4j-pgvectorRange1.12.1-beta211.16.2-beta26maven
OR
dev.langchain4jlangchain4j-pgvectorRange1.6.0-beta121.11.7-beta19maven
OR
dev.langchain4jlangchain4j-pgvectorRange1.3.0-beta91.5.0-beta11maven
OR
dev.langchain4jlangchain4j-pgvectorRange1.2.0-beta8maven
OR
dev.langchain4jlangchain4j-mariadbRange1.12.1-beta211.16.2-beta26maven
OR
dev.langchain4jlangchain4j-mariadbRange1.6.0-beta121.11.7-beta19maven
OR
dev.langchain4jlangchain4j-mariadbRange1.3.0-beta91.5.0-beta11maven
OR
dev.langchain4jlangchain4j-mariadbRange1.2.0-beta8maven

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