CVE-2026-91140

OS command injection in Progress Software Autonomous REST Connector GenAI Agents

Published Oct 6, 2026 CVSS 3.1 · 9.6 Critical EPSS 2.0% KEV · Not listed
Description
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

Vendor Solution

Upgrade ARCGenAI-Generator to version 2.1 or later. Until the upgrade is applied, do not process untrusted Swagger/OpenAPI documents.


Vendor Workaround

Upgrade ARCGenAI-Generator to version 2.1 or later. Until the upgrade is applied, do not process untrusted Swagger/OpenAPI documents.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Progress Software
Progress Software autonomous Rest Connector Genai Agents
Vendors & Products Progress Software
Progress Software autonomous Rest Connector Genai Agents
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title OS command injection in Progress Software Autonomous REST Connector GenAI Agents
Weaknesses CWE-78
References
Metrics cvssV3_1

{'score': 9.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ProgressSoftware
Published
Updated
Oct 7, 2026, 3:55 AM
Reserved
Sep 14, 2026, 8:30 PM
Status
Awaiting Analysis
Published
Oct 6, 2026, 2:17 PM
Modified
Oct 7, 2026, 4:18 AM