GitHub Advisoryadvisory · Maven
GHSA-v6x6-pjxw-3pv2 Spring AI's VectorStoreChatMemoryAdvisor conversation scoping can lead to cross-tenant memory exfiltration
MEDIUM
Official page ↗
- Aliases
- CVE-2026-40966
- Ecosystem
- Maven
- Packages
- org.springframework.ai:spring-ai-advisors-vector-store
- Severity
- Moderate
- CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-284
- Reviewed
- 2026-05-06
Affected packages
• Maven org.springframework.ai:spring-ai-advisors-vector-store: >= 1.0.0, < 1.0.6 → fixed in 1.0.6
• Maven org.springframework.ai:spring-ai-advisors-vector-store: >= 1.1.0, < 1.1.5 → fixed in 1.1.5
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.
Related
Alias · CVE (1)
- CVE-2026-40966 In Spring AI, an attacker can bypass conversation isolation and exfiltrate sensitive memory from other users’ chat histories, including… vulnerability
Weakness · CWE (1)
- CWE-284 Improper Access Control weakness
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-40966 advisory
- https://github.com/spring-projects/spring-ai package
- https://jinyeong.seol.pro/blogs/cve-2026-40966/en web
- 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 web
- https://spring.io/security/cve-2026-40966 web