CVE-2026-40966VectorStoreChatMemoryAdvisor conversation scoping can lead to cross-tenant memory exfiltration
Updated under an hour ago ()
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It affects VMware Spring AI. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 5.9 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weakness (CWE)
- CWE-284
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- vmware
- NVD analysis
- Analyzed
- Record last updated
- Apr 28, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
VMware Spring AI vmware:spring_ai (from the name) | from 1.0.0 before 1.0.6; from 1.1.0 before 1.1.5 | CNA record |
vmware spring_ai vmware:spring_ai | from 1.0.0 before 1.0.6; from 1.1.0 before 1.1.5 | NVD |
References
- https://spring.io/security/cve-2026-40966vendor-advisory
- 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:Nus-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.