---
id: CVE-2026-90492
title: >-
  A security vulnerability has been detected in webgjc web_robot
  2.4.0/2.5.0/2.8.0
summary: >-
  A security vulnerability has been detected in webgjc web_robot
  2.4.0/2.5.0/2.8.0. The affected element is the function
  controller_listen/controller_recover of the file py/web.py. The manipulation
  of the argument case_name leads to os com…
severity: medium
cvss: 6.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L'
cwe:
  - CWE-77
  - CWE-78
vendor: webgjc
product: web_robot
affected:
  - web_robot 2.4.0
  - web_robot 2.5.0
  - web_robot 2.8.0
published: '2026-09-13'
updated: '2026-09-14'
sourceUpdated: '2026-09-14T20:56:48.220'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-90492'
references:
  - url: 'https://vuldb.com/cve/CVE-2026-90492'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/892352'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/403080'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/403080/cti'
    label: cna@vuldb.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-14T15:48:41.654554Z'
ingestedAt: '2026-09-14T15:23:07.477Z'
epss: 0.02412
epssPercentile: 0.8342
---

## Overview

A security vulnerability has been detected in webgjc web_robot 2.4.0/2.5.0/2.8.0. The affected element is the function controller_listen/controller_recover of the file py/web.py. The manipulation of the argument case_name leads to os command injection. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

## Remediation

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