Skip to content
TrackCVE
  • Newest CVEsPage
  • Recently added to KEVPage
  • Rising exploitation (EPSS)Page
  • Weekly digestPage
  • StatisticsPage
  • WatchlistPage
  • API documentationPage
  • MCP serverPage
  • Data sourcesPage
  • ChangelogPage
  • AboutPage
  • How it's builtPage
Back

CVE-2026-91140

OS command injection in Progress Software Autonomous REST Connector GenAI Agents

Critical9.6EPSS 2.0%
Published
Updated
Reserved
Assigned by
ProgressSoftware

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.

Timeline

  1. ID reserved

    By ProgressSoftware

  2. · 22 days later

    Published

  3. · 1 day later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2026-91140, by who scored it
Scored byCVSSScoreVector
ProgressSoftwareCNA (assigner)3.1Critical9.6CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
NVDNVD · Awaiting Analysis3.1Critical9.6CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS (exploitation in 30 days)
2.0% · top 19% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.6.

Weakness

Affected products

What to do

Solution: Upgrade ARCGenAI-Generator to version 2.1 or later. Until the upgrade is applied, do not process untrusted Swagger/OpenAPI documents.

Workaround: Upgrade ARCGenAI-Generator to version 2.1 or later. Until the upgrade is applied, do not process untrusted Swagger/OpenAPI documents.

References (2)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2026-91140 badge
[![CVE-2026-91140](https://trackcve.app/badge/CVE-2026-91140.svg)](https://trackcve.app/cve/CVE-2026-91140)

Record last updated .