---
id: CVE-2025-37729
title: >-
  Improper neutralization of special elements used in a template engine in
  Elastic Cloud Enterprise (ECE) can lead to a malicious actor with Admin access
  exfiltrating sensitive information and issuing commands via a specially
  crafted strin…
summary: >-
  Improper neutralization of special elements used in a template engine in
  Elastic Cloud Enterprise (ECE) can lead to a malicious actor with Admin access
  exfiltrating sensitive information and issuing commands via a specially
  crafted strin…
severity: critical
cvss: 9.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-1336
vendor: elastic
product: elastic_cloud_enterprise
affected:
  - 'elastic_cloud_enterprise >= 2.5.0, < 3.8.2'
  - 'elastic_cloud_enterprise >= 4.0.0, < 4.0.2'
patched:
  - elastic_cloud_enterprise 4.0.2
published: '2025-10-13'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T12:10:00.217'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-37729'
references:
  - url: >-
      https://discuss.elastic.co/t/elastic-cloud-enterprise-ece-3-8-2-and-4-0-2-security-update-esa-2025-21/382641
    label: security@elastic.co
tags:
  - nvd
epss: 0.00665
epssPercentile: 0.51561
ingestedAt: '2026-10-01T18:55:42.297Z'
---

## Overview

Improper neutralization of special elements used in a template engine in Elastic Cloud Enterprise (ECE) can lead to a malicious actor with Admin access exfiltrating sensitive information and issuing commands via a specially crafted string where Jinjava variables are evaluated.

## Affected

- `elastic_cloud_enterprise >= 2.5.0, < 3.8.2`
- `elastic_cloud_enterprise >= 4.0.0, < 4.0.2`

## Remediation

Upgrade past the affected range:

- `elastic_cloud_enterprise 4.0.2`