CVE-2026-91140CWE-78command-injection

CVE-2026-91140

Critical · published October 6, 2026

CVSS v3.1
9.6
EPSS
2%
Percentile
79.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.6 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01924 · 79.8th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-10-06T18:17Z
References (2)
https://community.progress.com/s/article/Progress-DataDirect-Critical-Security-Alert-Bulletin-September-2026-CVE-2026-91140 · [email protected]https://github.com/progress/datadirect-arc-ai-model-gen/commit/7ede6d96eb033d647ffdcabf8d8069c098293575 · [email protected]
EPSS history
Timeline
  • 08 OCT 03:33Z
    EPSS moved — → 2%
    epss
  • 06 OCT 13:46Z
    OS command injection in Progress Software Autonomous REST Connector GenAI Agents
    cvelistv5