OS command injection in Progress Software Autonomous REST Connector GenAI Agents

published 2026-10-06 34 d ago modified 2026-10-07 33 d ago also EUVD-2026-93397

cvss: 9.6; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 2.0%; EPSS 2.0% chance of exploitation in 30 days, percentile 81%
public exploits: 0; none known

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.

Patch / fix

fixed in 1 links 1

Progress Software Autonomous REST Connector GenAI Agents 2.1

github.com/progress/datadirect-arc-ai-model-gen@7ede6d9 commit

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 34 d ago (2026-10-06)

Exploit prediction

2.05% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.6	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected products

Progress Software Autonomous REST Connector GenAI Agents

Classification

Weakness

CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

CVE List CVE-2026-91140
NVD CVE-2026-91140

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary