---
id: CVE-2026-91140
title: >-
  An OS command injection vulnerability in the shell-based temporary-file
  cleanup instructions in Progress Software Autonomous REST Connector GenAI
  Agents ARCGenAI-Generator version 2.0 allows an attacker who supplies a
  crafted Swagger/Ope…
summary: >-
  An OS command injection vulnerability in the shell-based temporary-file
  cleanup instructions in Progress Software Autonomous REST Connector GenAI
  Agents ARCGenAI-Generator version 2.0 allows an attacker who supplies a
  crafted Swagger/Ope…
severity: critical
cvss: 9.6
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H'
cwe:
  - CWE-78
vendor: Progress Software
product: Autonomous REST Connector GenAI Agents
affected:
  - autonomous_rest_connector_genai_agents >= 2.0 < 2.1
published: '2026-10-06'
updated: '2026-10-06'
sourceUpdated: '2026-10-06T15:09:20.387'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-91140'
references:
  - url: >-
      https://community.progress.com/s/article/Progress-DataDirect-Critical-Security-Alert-Bulletin-September-2026-CVE-2026-91140
    label: security@progress.com
  - url: >-
      https://github.com/progress/datadirect-arc-ai-model-gen/commit/7ede6d96eb033d647ffdcabf8d8069c098293575
    label: security@progress.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-06T14:03:23.002600Z'
ingestedAt: '2026-10-06T14:00:19.139Z'
---

## Overview

An OS command injection vulnerability in the shell-based temporary-file cleanup instructions in Progress Software Autonomous REST Connector GenAI Agents ARCGenAI-Generator version 2.0 allows an attacker who supplies a crafted Swagger/OpenAPI document to execute arbitrary commands on a developer's machine when a user invokes the generator.

## Remediation

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