---
id: CVE-2026-40999
title: >-
  When WS-Addressing is used with non-anonymous ReplyTo or FaultTo addresses,
  Spring WS may initiate outbound connections through configured
  WebServiceMessageSender instances to destinations taken directly from request
  headers without veri…
summary: >-
  When WS-Addressing is used with non-anonymous ReplyTo or FaultTo addresses,
  Spring WS may initiate outbound connections through configured
  WebServiceMessageSender instances to destinations taken directly from request
  headers without veri…
severity: high
cvss: 8.6
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N'
cwe:
  - CWE-918
vendor: broadcom
product: spring_web_services
affected:
  - spring_web_services < 3.1.9
  - 'spring_web_services >= 4.0.0, < 4.0.19'
  - 'spring_web_services >= 4.1.0, < 4.1.3.1'
  - 'spring_web_services >= 5.0.0, < 5.0.1.1'
patched:
  - spring_web_services 5.0.1.1
published: '2026-06-11'
updated: '2026-09-04'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-40999'
references:
  - url: 'https://spring.io/security/cve-2026-40999'
    label: security@vmware.com
tags:
  - nvd
epss: 0.00428
epssPercentile: 0.3445
ingestedAt: '2026-09-05T13:39:55.514Z'
---

## Overview

When WS-Addressing is used with non-anonymous ReplyTo or FaultTo addresses, Spring WS may initiate outbound connections through configured WebServiceMessageSender instances to destinations taken directly from request headers without verifying that those destinations are safe to connect to.

Affected versions:
Spring Web Services 5.0.0 through 5.0.1; 4.1.0 through 4.1.3; 4.0.0 through 4.0.18; 3.1.0 through 3.1.8.

## Affected

- `spring_web_services < 3.1.9`
- `spring_web_services >= 4.0.0, < 4.0.19`
- `spring_web_services >= 4.1.0, < 4.1.3.1`
- `spring_web_services >= 5.0.0, < 5.0.1.1`

## Remediation

Upgrade past the affected range:

- `spring_web_services 5.0.1.1`