---
id: CVE-2026-40991
title: >-
  When using spring-restdocs-webtestclient or spring-restdocs-restassured to
  document a remote API accessed over HTTP, an attacker who compromises the API
  or tricks the user into documenting a malicious API can perform an XXE
  injection att…
summary: >-
  When using spring-restdocs-webtestclient or spring-restdocs-restassured to
  document a remote API accessed over HTTP, an attacker who compromises the API
  or tricks the user into documenting a malicious API can perform an XXE
  injection att…
severity: medium
cvss: 5.9
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:L'
cwe:
  - CWE-611
vendor: broadcom
product: spring_rest_docs
affected:
  - 'spring_rest_docs >= 2.0.0, < 2.0.9'
  - 'spring_rest_docs >= 3.0.0, < 3.0.5.1'
  - spring_rest_docs = 4.0.0
patched:
  - spring_rest_docs 3.0.5.1
published: '2026-06-10'
updated: '2026-07-17'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-40991'
references:
  - url: 'https://spring.io/security/cve-2026-40991'
    label: security@vmware.com
tags:
  - nvd
epss: 0.00293
epssPercentile: 0.19504
ingestedAt: '2026-07-17T21:16:23.988Z'
---

## Overview

When using spring-restdocs-webtestclient or spring-restdocs-restassured to document a remote API accessed over HTTP, an attacker who compromises the API or tricks the user into documenting a malicious API can perform an XXE injection attack when the documentation-generating tests are next executed.

Affected versions:
Spring REST Docs 4.0.0; 3.0.0 through 3.0.5; 2.0.0.RELEASE through 2.0.8.RELEASE.

## Affected

- `spring_rest_docs >= 2.0.0, < 2.0.9`
- `spring_rest_docs >= 3.0.0, < 3.0.5.1`
- `spring_rest_docs = 4.0.0`

## Remediation

Upgrade past the affected range:

- `spring_rest_docs 3.0.5.1`
