Vulnerability · Published Oct 6, 2026 · Assigned by ProgressSoftware
CVE-2026-91140OS command injection in Progress Software Autonomous REST Connector GenAI Agents
Critical 9.6
In plain English
A critical-severity OS command injection in Autonomous REST Connector GenAI Agents from Progress Software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.0% (higher than 81% of all known vulnerabilities).
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Progress Software | Autonomous REST Connector GenAI Agents | 2.0 – before 2.1 |
Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H