What is CVE-2026-40990?

CVE-2026-40990 is a medium-severity vulnerability in Spring Cloud Function, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.7/10. Published 2026-06-01.

How severe is CVE-2026-40990?

Medium severity. CVSS v3 base score is 5.7 out of 10.

Resource exhaustion in Spring Cloud Function

CVE-2026-40990

OOM 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…

EPSS: 0.000 (4.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:H.

Affected products

Spring Cloud Function — versions 3.2.0, 4.1.0, 4.2.0
Vmware Spring_cloud_function

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

security@vmware.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-40990?: CVE-2026-40990 is a medium-severity vulnerability in Spring Cloud Function, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.7/10. Published 2026-06-01.
How severe is CVE-2026-40990?: Medium severity. CVSS v3 base score is 5.7 out of 10.