Spring AI has a VectorStore FilterExpression Converter injection

published 2026-04-28 6 mo ago modified 2026-10-26 13 d ago also GHSA-qc4j-qjqx-vr58 , EUVD-2026-25994

cvss: 8.6; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 33%
public exploits: 0; none known

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)

Patch / fix

fixed in 2

maven org.springframework.ai:spring-ai-vector-store 1.0.6, 1.1.5
Spring Spring AI 1.0.6, 1.1.5

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 6 mo ago (2026-04-29)

Exploit prediction

0.39% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.6	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
GitHub	3.1	8.6	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L

Affected packages

ecosystem	package	affected	fixed in
maven	org.springframework.ai:spring-ai-vector-store	>=1.0.0, <1.0.6 >=1.1.0, <1.1.5	1.0.6 1.1.5

Affected products

Spring Spring AI

Classification

Weakness

CWE-94 Improper Control of Generation of Code

References

spring.io /security/cve-2026-40967
web, vendor-advisory
nvd.nist.gov /vuln/detail/CVE-2026-40967
advisory
github.com /spring-projects/spring-ai
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary