🔐 CVE Alert

CVE-2026-40966

MEDIUM 5.9

VectorStoreChatMemoryAdvisor conversation scoping can lead to cross-tenant memory exfiltration

CVSS Score
5.9
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-284
Vendor vmware
Product spring ai
Ecosystems
Industries
TechnologyEnterprise
Published Apr 28, 2026
Last Updated Apr 28, 2026
Stay Ahead of the Next One

Get instant alerts for vmware spring ai

Be the first to know when new medium vulnerabilities affecting vmware spring ai are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Affected Versions

VMware / Spring AI
1.0.0 < 1.0.6 1.1.0 < 1.1.5

References

NVD ↗ CVE.org ↗ EPSS Data ↗
spring.io: https://spring.io/security/cve-2026-40966 nvd.nist.gov: 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

Credits

Jinyeong Seol Seol-JY; Cantina's AppSec agent, Apex ( https://www.cantina.security )