---
id: CVE-2025-61258
title: >-
  Outsystems Platform Server 11.18.1.37828 allows attackers to cause a denial of
  service via a crafted content-length value mismatching the body length
summary: >-
  Outsystems Platform Server 11.18.1.37828 allows attackers to cause a denial of
  service via a crafted content-length value mismatching the body length. NOTE:
  the Supplier indicates that they are unable to reproduce this.
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-444
vendor: outsystems
product: platform_server
affected:
  - platform_server = 11.18.1.37828
published: '2025-12-09'
updated: '2026-08-24'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-61258'
references:
  - url: 'https://balwurk.com/'
    label: cve@mitre.org
  - url: 'https://balwurk.github.io/CVE-2025-61258/'
    label: cve@mitre.org
  - url: 'https://ghostline.neocities.org/CVE-2025-61258/'
    label: cve@mitre.org
  - url: 'https://www.outsystems.com/'
    label: cve@mitre.org
tags:
  - nvd
epss: 0.00633
epssPercentile: 0.48141
ingestedAt: '2026-08-24T15:05:56.589Z'
---

## Overview

Outsystems Platform Server 11.18.1.37828 allows attackers to cause a denial of service via a crafted content-length value mismatching the body length. NOTE: the Supplier indicates that they are unable to reproduce this.

## Affected

- `platform_server = 11.18.1.37828`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.