TI-2026-68442 Aliases CVE-2026-91140 GHSA-w86g-q6vw-5mw6

OS command injection in Progress Autonomous REST Connector

MEDIUM 47CWE-78Published 2026-10-06 · Updated 2026-10-07

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-78.

Summary

Progress Software Autonomous REST Connector GenAI Agents ARCGenAI-Generator from 2.0 before 2.1 contains an OS command injection flaw in its shell-based temporary-file cleanup instructions (CWE-78). An attacker who supplies a crafted Swagger/OpenAPI document can execute arbitrary commands on a developer's machine when a user invokes the generator.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.02046 81st percentileScored 2026-11-07

Fix Fixed Autonomous REST Connector GenAI Agents (Progress Software): 2.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Progress	Autonomous REST Connector GenAI Agents	2.0 to before 2.1	2.1	Patch available	CNA

Autonomous REST Connector GenAI Agents VendorProgress Affected 2.0 to before 2.1 Fixed in 2.1 Patch available CNA

Remediation

Update Progress Software Autonomous REST Connector GenAI Agents ARCGenAI-Generator to version 2.1, the fixed version listed for this product.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Fix · CNA Autonomous REST Connector GenAI Agents (Progress Software) Fixed in 2.1

Timeline

2026-10-06 Threatist record created from CVE-2026-91140
2026-10-06 Alias added: GHSA-w86g-q6vw-5mw6
2026-10-07 CISA SSVC decision points changed

References

Patch 1

https://github.com/progress/datadirect-arc-ai-model-gen/commit/7ede6d96eb033d647ffdcabf8d8069c098293575

Advisory 1

https://community.progress.com/s/article/Progress-DataDirect-Critical-Security-Alert-Bulletin-September-2026-CVE-2026-91140

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Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences