---
id: CVE-2026-114362
title: HarnessRouter Targets Test Endpoint app.py server-side request forgery
summary: >-
  A flaw has been found in HarnessRouter up to 0.31.12. This impacts an unknown
  function of the file gateway/app.py of the component Targets Test Endpoint.
  Executing a manipulation of the argument base_url can lead to server-side
  request f…
severity: medium
cvss: 6.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C'
cvssSource: cna
cwe:
  - CWE-918
product: HarnessRouter
affected:
  - HarnessRouter 0.31.0
  - HarnessRouter 0.31.1
  - HarnessRouter 0.31.2
  - HarnessRouter 0.31.3
  - HarnessRouter 0.31.4
  - HarnessRouter 0.31.5
  - HarnessRouter 0.31.6
  - HarnessRouter 0.31.7
  - HarnessRouter 0.31.8
  - HarnessRouter 0.31.9
  - HarnessRouter 0.31.10
  - HarnessRouter 0.31.11
  - HarnessRouter 0.31.12
published: '2026-10-21'
updated: '2026-10-21'
sourceUpdated: '2026-10-21T19:15:12.924Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-114362'
references:
  - url: 'https://vuldb.com/vuln/424709'
    label: >-
      VDB-424709 | HarnessRouter Targets Test Endpoint app.py server-side
      request forgery
  - url: 'https://vuldb.com/vuln/424709/cti'
    label: 'VDB-424709 | CTI Indicators (IOB, IOC, IOA)'
  - url: 'https://vuldb.com/cve/CVE-2026-114362'
    label: CVE-2026-114362 | CVE Analysis and Report
  - url: 'https://vuldb.com/submit/1019387'
    label: >-
      Submit #1019387 | harnessrouter >= 0.9.0, < 0.31.13 Server-Side Request
      Forgery
  - url: >-
      https://github.com/HarnessRouter/harnessrouter/security/advisories/GHSA-c5g7-c47h-f6c3
  - url: 'https://github.com/HarnessRouter/harnessrouter/pull/429'
  - url: >-
      https://github.com/HarnessRouter/harnessrouter/commit/1c4b1fc1f89737dabd089ac1d1c174a57f764e28
  - url: 'https://github.com/HarnessRouter/harnessrouter/releases/tag/v0.31.13'
  - url: 'https://github.com/HarnessRouter/harnessrouter/'
tags:
  - cve.org
ingestedAt: '2026-10-21T20:11:44.909Z'
---

## Overview

A flaw has been found in HarnessRouter up to 0.31.12. This impacts an unknown function of the file gateway/app.py of the component Targets Test Endpoint. Executing a manipulation of the argument base_url can lead to server-side request forgery. The attack may be performed from remote. Upgrading to version 0.31.13 will fix this issue. This patch is called 1c4b1fc1f89737dabd089ac1d1c174a57f764e28. It is suggested to upgrade the affected component.

## Affected

- `HarnessRouter 0.31.0`
- `HarnessRouter 0.31.1`
- `HarnessRouter 0.31.2`
- `HarnessRouter 0.31.3`
- `HarnessRouter 0.31.4`
- `HarnessRouter 0.31.5`
- `HarnessRouter 0.31.6`
- `HarnessRouter 0.31.7`
- `HarnessRouter 0.31.8`
- `HarnessRouter 0.31.9`
- `HarnessRouter 0.31.10`
- `HarnessRouter 0.31.11`
- `HarnessRouter 0.31.12`

## Remediation

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