CVE-2026-40989
Self Routing guard bypassed via function composition
CVSS Score
5.7
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-674 |
| Vendor | spring |
| Product | spring cloud function |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Jun 1, 2026 |
| Last Updated | Jun 1, 2026 |
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CVSS v3 Breakdown
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
None
Integrity
Low
Availability
High
Affected Versions
Spring / 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