Vulnerability Details CVE-2026-40966
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 10.1%
CVSS Severity
CVSS v3 Score 5.9
References
Products affected by CVE-2026-40966
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cpe:2.3:a:vmware:spring_ai:1.0.0
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cpe:2.3:a:vmware:spring_ai:1.0.1
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cpe:2.3:a:vmware:spring_ai:1.0.2
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cpe:2.3:a:vmware:spring_ai:1.0.3
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cpe:2.3:a:vmware:spring_ai:1.0.4
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cpe:2.3:a:vmware:spring_ai:1.0.5
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cpe:2.3:a:vmware:spring_ai:1.1.0
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cpe:2.3:a:vmware:spring_ai:1.1.1
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cpe:2.3:a:vmware:spring_ai:1.1.2
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cpe:2.3:a:vmware:spring_ai:1.1.3
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cpe:2.3:a:vmware:spring_ai:1.1.4