CVE-2026-40966: In Spring AI, an attacker can bypass conversation isolation and exfiltrate sensitive memory from other users’ chat histories, including secrets and…

PriorityP434medium5.9CVSS 3.1

AVNACHPRNUINSUCHINAN

EPSS

0.23%

14.1th percentile

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.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
vmware	spring_ai	>= 1.0.0 < 1.0.6	1.0.6
vmware	spring_ai	>= 1.1.0 < 1.1.5	1.1.5

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.