Unbounded cache for function definitions

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Summary

CVECVE-2026-40990
StatePUBLISHED
Assignervmware
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-01 19:16:39 UTC
Updated2026-06-01 19:16:39 UTC
DescriptionOOM error is possible while attempting to add infinite amount of functions to Function Registry. Affected Spring Products and Versions: Spring Cloud Function 3.2.x: versions prior to 3.2.16 Spring Cloud Function 4.1.x: versions prior to 4.1.10 Spring Cloud Function 4.2.x: versions prior to 4.2.6 Spring Cloud Function 4.3.x: versions prior to 4.3.3 Spring Cloud Function 5.0.x: versions prior to 5.0.2 Older, unsupported versions are also affected.

Risk And Classification

Primary CVSS: v3.1 5.7 MEDIUM from [email protected]

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

Problem Types: CWE-770 | CWE-770 CWE-770 Allocation of Resources Without Limits or Throttling

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.7MEDIUMCVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:H
3.1CNACVSS5.7MEDIUMCVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:H

CVSS v3.1 Breakdown

Attack Vector
Physical
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
None
Integrity
Low
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Spring Spring Cloud Function affected 3.2.0 3.2.16 custom Not specified
CNA Spring Spring Cloud Function affected 4.1.0 4.1.10 custom Not specified
CNA Spring Spring Cloud Function affected 4.2.0 4.2.6 custom Not specified
CNA Spring Spring Cloud Function affected 4.3.0 4.3.3 custom Not specified
CNA Spring Spring Cloud Function affected 5.0.0 5.0.2 custom Not specified

References

ReferenceSourceLinkTags
spring.io/security/cve-2026-40990 [email protected] spring.io
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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