CVE-2026-40990: spring spring cloud function
Vulnerability summary
CVE-2026-40990 is a medium (CVSS 6.5) vulnerability in spring spring cloud function. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 19.3% of scored vulnerabilities.
Timeline
- 01-06-2026PublishedVulnerability first disclosed.
- 01-06-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 3 sources · 1 version- CVE.orgCNA5.7MediumCVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:HDiffers
- OSV · MavenEcosystem advisory · calculated5.7MediumCVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:HDiffers
EPSS trend
Probability
0.28%
Chance of exploitation in the next 30 days
Percentile
19%
Versus all other CVEs
30-day change
+0.07 pp
From 0.21% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Org.springframework.cloud1 product
- spring-cloud-function-context≥ 4.3.0, < 4.3.3 | ≥ 5.0.0, < 5.0.2 | ≥ 3.2.10, ≤ 3.2.15 | ≥ 4.1.0, ≤ 4.1.9 | ≥ 4.2.0, ≤ 4.2.5
Spring1 product
- spring cloud function≥ 3.2.0, < 3.2.16 | ≥ 4.1.0, < 4.1.10 | ≥ 4.2.0, < 4.2.6 | ≥ 4.3.0, < 4.3.3 | ≥ 5.0.0, < 5.0.2
Vmware1 product
- spring_cloud_function≥ 3.2.0, < 3.2.16 | ≥ 4.1.0, < 4.1.10 | ≥ 4.2.0, < 4.2.6 | ≥ 4.3.0, < 4.3.3 | ≥ 5.0.0, < 5.0.2
3 vendors · 3 products