Critical · 9.6 CVE-2026-91140 EUVD-2026-93397GHSA-w86g-q6vw-5mw6

OS command injection in Progress Software Autonomous REST Connector GenAI Agents

Published Oct 6, 2026 · Updated Oct 7, 2026 · Assigned by ProgressSoftware

Vendor: Progress Software Product: Autonomous REST Connector GenAI Agents

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.

Affected products

Vendor	Product	Affected	Fixed
Progress Software	Autonomous REST Connector GenAI Agents	2.0 – < 2.1	2.1

References

https://github.com/progress/datadirect-arc-ai-model-gen/commit/7ede6d96eb033d647ffdcabf8d8069c098293575 patch
https://community.progress.com/s/article/Progress-DataDirect-Critical-Security-Alert-Bulletin-September-2026-CVE-2026-91140 vendor-advisory