Vulnerability-Lookup

GHSA-W86G-Q6VW-5MW6

Vulnerability from github – Published: 2026-10-06 15:32 – Updated: 2026-10-06 15:32

Details

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.

Severity

9.6 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2026-91140"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-78"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-10-06T14:17:48Z",
    "severity": "CRITICAL"
  },
  "details": "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\u0027s machine when a user invokes the generator.",
  "id": "GHSA-w86g-q6vw-5mw6",
  "modified": "2026-10-06T15:32:01Z",
  "published": "2026-10-06T15:32:01Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-91140"
    },
    {
      "type": "WEB",
      "url": "https://github.com/progress/datadirect-arc-ai-model-gen/commit/7ede6d96eb033d647ffdcabf8d8069c098293575"
    },
    {
      "type": "WEB",
      "url": "https://community.progress.com/s/article/Progress-DataDirect-Critical-Security-Alert-Bulletin-September-2026-CVE-2026-91140"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-91140 (GCVE-0-2026-91140)

Vulnerability from cvelistv5 – Published: 2026-10-06 13:46 – Updated: 2026-10-06 14:03

Title

OS command injection in Progress Software Autonomous REST Connector GenAI Agents

Summary

Severity

9.6 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-06 14:03 UTC

CWE

CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Assigner

ProgressSoftware mitre root Scorecard

References

2 references

URL	Tags
https://github.com/progress/datadirect-arc-ai-mod…	patch
https://community.progress.com/s/article/Progress…	vendor-advisory

Impacted products

1 product

Vendor	Product	Version
Progress Software	Autonomous REST Connector GenAI Agents	Affected: 2.0 , < 2.1 (custom)

Credits

Abhishek Nandkumar Bhaskar (Abhi-Hackz)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-91140",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-06T14:03:23.002600Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-10-06T14:03:30.122Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
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          "versions": [
            {
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              "version": "2.0",
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          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Abhishek Nandkumar Bhaskar (Abhi-Hackz)"
        }
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        }
      ],
      "impacts": [
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          "descriptions": [
            {
              "lang": "en",
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      "metrics": [
        {
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            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
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            "confidentialityImpact": "HIGH",
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          "scenarios": [
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              "lang": "en",
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        },
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          "lang": "en",
          "supportingMedia": [
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              "base64": false,
              "type": "text/html",
              "value": "Upgrade ARCGenAI-Generator to version 2.1 or later. Until the upgrade is applied, do not process untrusted Swagger/OpenAPI documents."
            }
          ],
          "value": "Upgrade ARCGenAI-Generator to version 2.1 or later. Until the upgrade is applied, do not process untrusted Swagger/OpenAPI documents."
        }
      ],
      "source": {
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      },
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      "workarounds": [
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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GHSA-W86G-Q6VW-5MW6

CVE-2026-91140 (GCVE-0-2026-91140)

Tags

Sightings

Nomenclature

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