CVE-2026-40966

EUVD-2026-26002
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
vmwareCNA
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
vmwarespring_ai
1.0.0 ≤
𝑥
< 1.0.6
CNA
vmwarespring_ai
1.1.0 ≤
𝑥
< 1.1.5
CNA
Common Weakness Enumeration
References
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
https://spring.io/security/cve-2026-40966