CVE-2026-40966 Details
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.
A vulnerability in Spring AI allows an attacker to bypass conversation isolation and exfiltrate sensitive information from other users' chat histories, including secrets and credentials. This is achieved by injecting filter logic through the conversationId. The issue affects applications that utilize VectorStoreChatMemoryAdvisor and accept user-supplied input as a conversationId.
Users of affected Spring AI versions 1.0.0 through 1.0.x and 1.1.0 through 1.1.x should upgrade to Spring AI 1.0.6 or 1.1.5, respectively.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Apr 28, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| 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 | [email protected] | US Government Resource |
| https://spring.io/security/cve-2026-40966 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-284 | Improper Access Control | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| vmware spring ai | >= 1.0.0, < 1.0.6 >= 1.1.0, < 1.1.5 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 29, 2026 | Initial Analysis | [email protected] |
| Apr 28, 2026 | New CVE Received | [email protected] |