CVE-2026-40966
MEDIUMVectorStoreChatMemoryAdvisor conversation scoping can lead to cross-tenant memory exfiltration
Title source: cnaDescription
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.
Scores
CVSS v3
5.9
EPSS
0.0003
EPSS Percentile
10.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-284
Status
published
Products (3)
VMware/Spring AI
1.0.0 - 1.0.6
VMware/Spring AI
1.1.0 - 1.1.5
vmware/spring_ai
1.0.0 - 1.0.6
Published
Apr 28, 2026
Tracked Since
Apr 28, 2026