CVE-2026-40966— VectorStoreChatMemoryAdvisor conversation scoping can lead to cross-tenant memory exfiltration
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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: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
访问控制不恰当
Source: NVD (National Vulnerability Database)
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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