CVE-2026-40966
Last modified
CVE-2026-40966 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. 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.. EPSS estimates a 0.23% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Vmware | Spring Ai | >= 1.0.0, < 1.0.6 |
| Vmware | Spring Ai | >= 1.1.0, < 1.1.5 |
References
- https://spring.io/security/cve-2026-40966Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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