CVE Tools
Sign in

CVE-2026-40990

Unbounded cache for function definitions

Published: Jun 1, 2026Updated: Jul 22, 2026 Sources: CVE List NVDCWE-770
5.7MEDIUM
NVD MITRE
EPSS Score
0.2%
Top 88.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:PAC:LPR:LUI:RS:CC:NI:LA:H
Exploitability
AV:PAttack Vector
Physical
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-770

Affected Products

vmware
commercial·USaka vmware inc
spring cloud functionLibraryLibrary
OSS Libraries / web-framework
Spring
oss-projectaka spring boot, spring security, spring framework
Spring Cloud Function
OSS Libraries

Exploitability

Official Patch Available
Is your org exposed to CVE-2026-40990?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://spring.io/security/cve-2026-40990
spring.io

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2026-40990 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows