Medium severity5.9NVD Advisory· Published Apr 28, 2026· Updated Apr 29, 2026
CVE-2026-40966
CVE-2026-40966
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.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.springframework.ai:spring-ai-advisors-vector-storeMaven | >= 1.0.0, < 1.0.6 | 1.0.6 |
org.springframework.ai:spring-ai-advisors-vector-storeMaven | >= 1.1.0, < 1.1.5 | 1.1.5 |
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
4- github.com/advisories/GHSA-v6x6-pjxw-3pv2ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-40966ghsaADVISORY
- spring.io/security/cve-2026-40966nvdVendor AdvisoryWEB
- nvd.nist.gov/vuln-metrics/cvss/v3-calculatornvdUS Government ResourceWEB
News mentions
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