CVE-2026-40967 Spring AI has a VectorStore FilterExpression Converter injection
Attackers can inject malicious code into vector store queries via unescaped filter expressions in Spring AI, potentially executing code or reading data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-40967?
CVE-2026-40967 is a high-severity code injection vulnerability in Spring AI, published on 28 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In Spring AI, various FilterExpressionConverter implementations accept a filter expression object and translate them to specific vector store query languages. In several cases, keys and values are not properly escaped, leading to the ability to alter the query.
Affected versions: Spring AI: 1.0.0 - 1.0.5 (fixed in 1.0.6), 1.1.0 - 1.1.4 (fixed in 1.1.5)
Weakness: CWE-94
Which versions are affected by CVE-2026-40967?
4 open source packages ship an affected version, including org.springframework.ai:spring-ai-vector-store. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.springframework.ai:spring-ai-vector-store Maven | From 1.0.0 | 1.0.6 |
org.springframework.ai:spring-ai-vector-store Maven | From 1.0.0 | 1.0.6 |
org.springframework.ai:spring-ai-vector-store Maven | From 1.1.0 | 1.1.5 |
org.springframework.ai:spring-ai-vector-store Maven | From 1.1.0 | 1.1.5 |
Products include Vmware Spring Ai.
How do I fix CVE-2026-40967?
Upgrade org.springframework.ai:spring-ai-vector-store to a fixed version for your release line: 1.0.6 or 1.1.5.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-40967 being exploited?
There is no known exploitation of CVE-2026-40967 in the wild and no public exploit code.
Other vulnerabilities in Spring AI
- CVE-2026-22738 SpEL Injection via Unescaped Filter Key in SimpleVectorStore Leads to Remote Code Execution
- CVE-2026-40978 Spring AI has SQL Injection in CosmosDBVectorStore.doDelete()
- CVE-2026-22730 CVE-2026-22730: SQL Injection in Spring AI MariaDBFilterExpressionConverter
- CVE-2026-47835 Spring AI vector store metadata filtering to handle special characters in Elasticsearch, OpenSearch, and GemFire Vector Stores
- CVE-2026-41705 Spring AI's MilvusVectorStore#doDelete(List) implementation is vulnerable to filter-expression injection via unsanitized document IDs
Sources
Also known as GHSA-qc4j-qjqx-vr58.