Medium severity5.9NVD Advisory· Published Apr 28, 2026· Updated Apr 29, 2026

CVE-2026-40966

Description

In Spring AI, an attacker can bypass conversation isolation and exfiltrate sensitive memory from other users’ chat histories, including secrets and credentials, by injecting filter logic through conversationId. Only applications that use VectorStoreChatMemoryAdvisor and pass user-supplied input as a conversationId are affected.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
org.springframework.ai:spring-ai-advisors-vector-storeMaven	>= 1.0.0, < 1.0.6	1.0.6
org.springframework.ai:spring-ai-advisors-vector-storeMaven	>= 1.1.0, < 1.1.5	1.1.5

Affected products

VMware/Spring AI
cpe:2.3:a:vmware:spring_ai:*:*:*:*:*:*:*:*
Range: >=1.0.0,<1.0.6
ghsa-coords
pkg:maven/org.springframework.ai/spring-ai-advisors-vector-store
Range: >= 1.0.0, < 1.0.6

Patches

Vulnerability mechanics

References

github.com/advisories/GHSA-v6x6-pjxw-3pv2ghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2026-40966ghsaADVISORY
spring.io/security/cve-2026-40966nvdVendor AdvisoryWEB
nvd.nist.gov/vuln-metrics/cvss/v3-calculatornvdUS Government ResourceWEB

News mentions

No linked articles in our index yet.

cvss	0.384
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000