CVE-2026-22743

Server-Side Request Forgery via Filter Expression Keys in Neo4jVectorStore

State: Published
Severity: 7.5 High
Published: Mar 27, 2026
Updated: Mar 27, 2026
Reserved: Jan 9, 2026

Description

Spring AI's spring-ai-neo4j-store contains a Cypher injection vulnerability in Neo4jVectorFilterExpressionConverter. When a user-controlled string is passed as a filter expression key in Neo4jVectorFilterExpressionConverter of spring-ai-neo4j-store, doKey() embeds the key into a backtick-delimited Cypher property accessor (node.`metadata.`) after stripping only double quotes, without escaping embedded backticks.This issue affects Spring AI: from 1.0.0 before 1.0.5, from 1.1.0 before 1.1.4.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	vmware

Weaknesses

CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Affected Products

Product	Versions
Spring AISpring	1.0.0 to before 1.0.5Affected 1.1.0 to before 1.1.4Affected

References

https://spring.io/security/cve-2026-22743

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