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CRITICAL

CVE-2026-91140

CVSS v3

9.6

CRITICAL

EPSS Score

—

exploit probability

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Published
2026-10-06
Last Modified
2026-10-06

Frequently asked questions

What is CVE-2026-91140?

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.

Is CVE-2026-91140 actively exploited?

Active exploitation of CVE-2026-91140 has not been confirmed.

What is the CVSS score for CVE-2026-91140?

CVE-2026-91140 has a CVSS v3 base score of 9.6 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

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