CVE-2026-40966— VectorStoreChatMemoryAdvisor conversation scoping can lead to cross-tenant memory exfiltration
Quick assessment
Affected
VMware Spring AI
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
VMware Spring AI是美国威睿（VMware）公司的一个在Spring生态中集成人工智能与大语言模型能力的开发框架。 VMware Spring AI存在访问控制错误漏洞，该漏洞源于通过conversationId注入过滤器逻辑，可能导致攻击者绕过对话隔离，从其他用户聊天历史中窃取敏感内存信息，包括机密和凭据。
Possible ATT&CK Techniques 3 AI
T1059 · Command and Scripting Interpreter T1005 · Data from Local System T1115 · Clipboard Data
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I. Basic Information for CVE-2026-40966
Vulnerability Information
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Vulnerability Title
VectorStoreChatMemoryAdvisor conversation scoping can lead to cross-tenant memory exfiltration
Source: CVE Program / CVE List V5
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
VMware Spring AI 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
VMware Spring AI是美国威睿（VMware）公司的一个在Spring生态中集成人工智能与大语言模型能力的开发框架。 VMware Spring AI存在访问控制错误漏洞，该漏洞源于通过conversationId注入过滤器逻辑，可能导致攻击者绕过对话隔离，从其他用户聊天历史中窃取敏感内存信息，包括机密和凭据。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-40966
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Vendor Advisories for CVE-2026-40966 (2)
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