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CVE-2026-40989

26
FAUCET Score

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.

First published: Jun 1, 2026Last modified: Jun 1, 2026

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.2.0, < 3.2.16CPE matchmatch criteria
cpe:2.3:a:vmware:spring_cloud_function:*:*:*:*:*:*:*:*
>= 4.1.0, < 4.1.10CPE matchmatch criteria
cpe:2.3:a:vmware:spring_cloud_function:*:*:*:*:*:*:*:*
>= 4.2.0, < 4.2.6CPE matchmatch criteria
cpe:2.3:a:vmware:spring_cloud_function:*:*:*:*:*:*:*:*
>= 4.3.0, < 4.3.3CPE matchmatch criteria
cpe:2.3:a:vmware:spring_cloud_function:*:*:*:*:*:*:*:*
>= 5.0.0, < 5.0.2CPE matchmatch criteria
cpe:2.3:a:vmware:spring_cloud_function:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.7MEDIUM

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

Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
HIGH
Exploitability Score
0.5
Impact Score
4.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.21%
Probability of exploitation in next 30 days
EPSS Percentile
11.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0021 is in the 10th percentile among its peer group of 21,958 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

mavenpatch availablevia ghsa
Product: org.springframework.cloud:spring-cloud-function-contextFixed in: 4.3.3
mavenpatch availablevia ghsa
Product: org.springframework.cloud:spring-cloud-function-contextFixed in: 5.0.2

Vendor Advisories (1)

mavenGHSA-x9c7-5h6g-hq8qmedium

Spring Cloud Function Context has Uncontrolled Recursion

Jun 1, 2026

References

spring.io / security/cve-2026-40989
Vendor Advisory