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CVE-2026-40989

Self Routing guard bypassed via function composition

Published: Jun 1, 2026Updated: Jul 22, 2026 Sources: CVE List NVDCWE-674
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

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.

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
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Weaknesses

CWE-674

Affected Products

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

Exploitability

Official Patch Available
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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-2026-40989
spring.io

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