Critical severity9.6NVD Advisory· Published Oct 6, 2026

CVE-2026-91140

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Process Software/Autonomous REST Connector GenAI Agents ARCGenAI-Generatorllm-create
Range: 2.0
Progress (organisation)/datadirect-arc-ai-model-genllm-create
Range: 2.0

Patches

Vulnerability mechanics

References

community.progress.com/s/article/Progress-DataDirect-Critical-Security-Alert-Bulletin-September-2026-CVE-2026-91140nvd
github.com/progress/datadirect-arc-ai-model-gen/commit/7ede6d96eb033d647ffdcabf8d8069c098293575nvd

News mentions

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cvss	0.624
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000