CVE-2026-40989CWE-674

Self Routing guard bypassed via function composition

Medium · published June 1, 2026

CVSS v3.1
5.7
EPSS
0%
Percentile
19.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.7 · MEDIUM
Vector
CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:H
CVSS v4.0
Not supplied
EPSS
0.00282 · 19.7th percentile
Weakness
CWE-674 · Uncontrolled Recursion
Published
2026-06-01T17:49Z
EPSS history
Timeline
  • 01 JUN 17:49Z
    Self Routing guard bypassed via function composition
    cvelistv5