---
title: "CVE-2026-91140: Progress Software Autonomous REST Connector GenAI Agents ARCGenAI-Generator - Command Injection"
description: "Progress Software Autonomous REST Connector GenAI Agents ARCGenAI-Generator 2.0 contains a command injection caused by shell-based temporary-file cleanup instructions, letting attackers execute arbitrary OS commands on developer machines, exploit requires crafted Swagger/OpenAPI document."
url: https://panop.io/threat-heartbeat/CVE-2026-91140/
---

# CVE-2026-91140 Progress Software Autonomous REST Connector GenAI Agents ARCGenAI-Generator - Command Injection

Progress Software Autonomous REST Connector GenAI Agents ARCGenAI-Generator 2.0 contains a command injection caused by shell-based temporary-file cleanup instructions, letting attackers execute arbitrary OS commands on developer machines, exploit requires crafted Swagger/OpenAPI document.

CVSS base score 9.6 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

1.92% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-91140)

## Details

Type

Command Injection

Impact

Remote Code Execution

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Published

6 October 2026

Updated

15 October 2026

Weakness

[CWE-78](https://cwe.mitre.org/data/definitions/78.html)

## Vendor fix

Update to the latest version of ARCGenAI-Generator.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-91140](https://nvd.nist.gov/vuln/detail/CVE-2026-91140)
- [https://community.progress.com/s/article/Progress-DataDirect-Critical-Security-Alert-Bulletin-September-2026-CVE-2026-91140](https://community.progress.com/s/article/Progress-DataDirect-Critical-Security-Alert-Bulletin-September-2026-CVE-2026-91140)
- [https://github.com/progress/datadirect-arc-ai-model-gen/commit/7ede6d96eb033d647ffdcabf8d8069c098293575](https://github.com/progress/datadirect-arc-ai-model-gen/commit/7ede6d96eb033d647ffdcabf8d8069c098293575)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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