---
id: CVE-2026-116280
title: >-
  Kameleo Proxy Validation f.cs InternalController.TestProxy server-side request
  forgery
summary: >-
  A vulnerability was determined in Kameleo up to 5.0.1.26. Affected is the
  function InternalController.TestProxy of the file
  client-engine-application/f.cs of the component Proxy Validation. Executing a
  manipulation of the argument host/p…
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C'
cvssSource: cna
cwe:
  - CWE-918
product: Kameleo
affected:
  - Kameleo 5.0.1.0
  - Kameleo 5.0.1.1
  - Kameleo 5.0.1.2
  - Kameleo 5.0.1.3
  - Kameleo 5.0.1.4
  - Kameleo 5.0.1.5
  - Kameleo 5.0.1.6
  - Kameleo 5.0.1.7
  - Kameleo 5.0.1.8
  - Kameleo 5.0.1.9
  - Kameleo 5.0.1.10
  - Kameleo 5.0.1.11
  - Kameleo 5.0.1.12
  - Kameleo 5.0.1.13
  - Kameleo 5.0.1.14
  - Kameleo 5.0.1.15
  - Kameleo 5.0.1.16
  - Kameleo 5.0.1.17
  - Kameleo 5.0.1.18
  - Kameleo 5.0.1.19
  - Kameleo 5.0.1.20
  - Kameleo 5.0.1.21
  - Kameleo 5.0.1.22
  - Kameleo 5.0.1.23
  - Kameleo 5.0.1.24
  - Kameleo 5.0.1.25
  - Kameleo 5.0.1.26
published: '2026-10-26'
updated: '2026-10-26'
sourceUpdated: '2026-10-26T12:45:07.213Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-116280'
references:
  - url: 'https://vuldb.com/vuln/426305'
    label: >-
      VDB-426305 | Kameleo Proxy Validation f.cs InternalController.TestProxy
      server-side request forgery
  - url: 'https://vuldb.com/vuln/426305/cti'
    label: 'VDB-426305 | CTI Indicators (IOB, IOC, IOA)'
  - url: 'https://vuldb.com/cve/CVE-2026-116280'
    label: CVE-2026-116280 | CVE Analysis and Report
  - url: 'https://vuldb.com/submit/1011318'
    label: 'Submit #1011318 | https://kameleo.io/ Kameleo 5.0.1.26 SSRF'
  - url: >-
      https://drive.google.com/drive/folders/1v9qTuMbrKnJStOeWqS-PDXz1KbmMheQ3?usp=drive_link
  - url: 'https://github.com/kameleo-io/kameleo/releases/tag/5.2.0'
tags:
  - cve.org
ingestedAt: '2026-10-26T14:27:31.837Z'
---

## Overview

A vulnerability was determined in Kameleo up to 5.0.1.26. Affected is the function InternalController.TestProxy of the file client-engine-application/f.cs of the component Proxy Validation. Executing a manipulation of the argument host/port can lead to server-side request forgery. The attack may be launched remotely. Upgrading to version 5.2.0 is able to address this issue. It is suggested to upgrade the affected component. The route has been removed and replaced with /general/test-proxy in 5.2.0.

## Affected

- `Kameleo 5.0.1.0`
- `Kameleo 5.0.1.1`
- `Kameleo 5.0.1.2`
- `Kameleo 5.0.1.3`
- `Kameleo 5.0.1.4`
- `Kameleo 5.0.1.5`
- `Kameleo 5.0.1.6`
- `Kameleo 5.0.1.7`
- `Kameleo 5.0.1.8`
- `Kameleo 5.0.1.9`
- `Kameleo 5.0.1.10`
- `Kameleo 5.0.1.11`
- `Kameleo 5.0.1.12`
- `Kameleo 5.0.1.13`
- `Kameleo 5.0.1.14`
- `Kameleo 5.0.1.15`
- `Kameleo 5.0.1.16`
- `Kameleo 5.0.1.17`
- `Kameleo 5.0.1.18`
- `Kameleo 5.0.1.19`
- `Kameleo 5.0.1.20`
- `Kameleo 5.0.1.21`
- `Kameleo 5.0.1.22`
- `Kameleo 5.0.1.23`
- `Kameleo 5.0.1.24`
- `Kameleo 5.0.1.25`
- `Kameleo 5.0.1.26`

## Remediation

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