SpEL Injection via Unescaped Filter Key in SimpleVectorStore Leads to Remote Code Execution

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Summary

CVECVE-2026-22738
StatePUBLISHED
Assignervmware
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-27 06:16:37 UTC
Updated2026-03-30 13:26:29 UTC
DescriptionIn Spring AI, a SpEL injection vulnerability exists in SimpleVectorStore when a user-supplied value is used as a filter expression key. A malicious actor could exploit this to execute arbitrary code. Only applications that use SimpleVectorStore and pass user-supplied input as a filter expression key are affected. This issue affects Spring AI: from 1.0.0 before 1.0.5, from 1.1.0 before 1.1.4.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.000710000 probability, percentile 0.215790000 (date 2026-04-01)

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Spring Spring AI affected 1.0.0 1.0.5 custom Not specified
CNA Spring Spring AI affected 1.1.0 1.1.4 custom Not specified

References

ReferenceSourceLinkTags
spring.io/security/cve-2026-22738 [email protected] spring.io
CVE Program record CVE.ORG www.cve.org canonical
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