CVE-2026-40966

MEDIUM SEVERITY

CVSS Score & Metrics

Base Score

5.9 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N                                    

Vulnerability 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.

Vulnerability Details

Published Date

April 28, 2026

Last Modified

April 28, 2026

CWE ID

CWE-284

Source

NVD

Vendor

VMware

Product

Spring AI

External References

https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator?version=3.1&vector=AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
https://spring.io/security/cve-2026-40966

CVE-2026-40966

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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