Is CVE-2026-40990 in the CISA KEV catalog?

No. CVE-2026-40990 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-40990?

CVE-2026-40990 has a CVSS v3 base score of 5.7 (MEDIUM).

What is the EPSS score for CVE-2026-40990?

CVE-2026-40990 has an EPSS score of 0.21% (11th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-40990?

Upgrade spring cloud function to 5.0.2 or later.

CVE & CISA-KEV Catalog

CVE-2026-40990

MEDIUM

5.7

CVSS v3

NVD

Description

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 4.1.10 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.

CWE-770Allocation of Resources Without Limits or Throttling

How to fix

Remediation Available

spring cloud functionNVD

Affected:>= 5.0.0, < 5.0.2Fixed in:5.0.2CVE-2026-40990derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorPhysical

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

ScopeChanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityHigh

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

Exploit Intelligence

0.21%probability of exploitation in 30 days

11thpercentile

Low risk: more likely to be exploited than 11% of all known CVEs.

References

Vendor Advisory1

spring.io

Related Vulnerabilities

Other CWE-770 (Allocation of Resources Without Limits or Throttling) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-50387	High	7.5	100%	-	Fix
CVE-2019-11478	Medium	5.3	95%	-	Fix
CVE-2019-11479	High	7.5	92%	-	Fix
CVE-2024-27316	High	7.5	91%	-	Fix
CVE-2022-30522	High	7.5	90%	-	Fix
CVE-2019-9515	High	7.5	88%	-	Fix

Embed a live status badge for CVE-2026-40990

Markdown

[![CVE-2026-40990](https://tridentstack.com/cve/badge/CVE-2026-40990.svg)](https://tridentstack.com/cve/CVE-2026-40990)

HTML

<a href="https://tridentstack.com/cve/CVE-2026-40990"><img src="https://tridentstack.com/cve/badge/CVE-2026-40990.svg" alt="CVE-2026-40990"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-05.