Under infinite recursion in the routing layer, request-handling can cause OOM error.

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.

No CVSS v4.0

Attack Vector Physical

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact None

Integrity Impact Low

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00017.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Spring Spring Cloud Function unaffected
Version Status Constraints
3.2.0 affected < 3.2.16
4.1.0 affected < 4.1.10
4.2.0 affected < 4.2.6
4.3.0 affected < 4.3.3
5.0.0 affected < 5.0.2

No data.

No data.

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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://spring.io/security/cve-2026-40989 cve-icon cve-icon
History

Mon, 01 Jun 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 01 Jun 2026 19:00:00 +0000

Type Values Removed Values Added
Description Under infinite recursion in the routing layer, request-handling can cause OOM error. 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.
Title Self Routing guard bypassed via function composition
Weaknesses CWE-674
References
Metrics cvssV3_1

{'score': 5.7, 'vector': 'CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:H'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: vmware

Published:

Updated: 2026-06-01T19:35:11.824Z

Reserved: 2026-04-16T02:19:09.389Z

Link: CVE-2026-40989

cve-icon Vulnrichment

Updated: 2026-06-01T19:35:06.936Z

cve-icon NVD

Status : Received

Published: 2026-06-01T19:16:39.583

Modified: 2026-06-01T19:16:39.583

Link: CVE-2026-40989

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-01T21:30:26Z

Weaknesses