CVE-2026-91140 (GCVE-0-2026-91140)
Vulnerability from cvelistv5 – Published: 2026-10-06 13:46 – Updated: 2026-10-06 14:03
VLAI
EPSS
VEX
Title
OS command injection in Progress Software Autonomous REST Connector GenAI Agents
Summary
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)
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
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 | CPE status | |
|---|---|---|---|---|
| Progress Software | Autonomous REST Connector GenAI Agents |
Affected:
2.0 , < 2.1
(custom)
|
guessed |
{
"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": [
{
"defaultStatus": "unaffected",
"product": "Autonomous REST Connector GenAI Agents",
"vendor": "Progress Software",
"versions": [
{
"lessThan": "2.1",
"status": "affected",
"version": "2.0",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Abhishek Nandkumar Bhaskar (Abhi-Hackz)"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "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."
}
],
"value": "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."
}
],
"impacts": [
{
"descriptions": [
{
"lang": "en",
"value": "An attacker can execute arbitrary operating system commands with the privileges of the user running the agent."
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.6,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-78",
"description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-06T13:46:11.357Z",
"orgId": "f9fea0b6-671e-4eea-8fde-31911902ae05",
"shortName": "ProgressSoftware"
},
"references": [
{
"tags": [
"patch"
],
"url": "https://github.com/progress/datadirect-arc-ai-model-gen/commit/7ede6d96eb033d647ffdcabf8d8069c098293575"
},
{
"tags": [
"vendor-advisory"
],
"url": "https://community.progress.com/s/article/Progress-DataDirect-Critical-Security-Alert-Bulletin-September-2026-CVE-2026-91140"
}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
{
"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": {
"discovery": "EXTERNAL"
},
"title": "OS command injection in Progress Software Autonomous REST Connector GenAI Agents",
"workarounds": [
{
"lang": "en",
"supportingMedia": [
{
"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."
}
],
"x_generator": {
"engine": "Vulnogram 0.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "f9fea0b6-671e-4eea-8fde-31911902ae05",
"assignerShortName": "ProgressSoftware",
"cveId": "CVE-2026-91140",
"datePublished": "2026-10-06T13:46:11.357Z",
"dateReserved": "2026-09-14T20:30:04.894Z",
"dateUpdated": "2026-10-06T14:03:30.122Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Autonomous REST Connector GenAI Agents",
"vendor": "Progress Software",
"versions": [
{
"lessThan": "2.1",
"status": "affected",
"version": "2.0",
"versionType": "custom"
}
]
}
],
"source": "security@progress.com"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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": "CVE-2026-91140",
"lastModified": "2026-10-06T15:09:20.387",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.6,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 6.0,
"source": "security@progress.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-91140",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-10-06T14:03:23.002600Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-10-06T14:17:48.407",
"references": [
{
"source": "security@progress.com",
"url": "https://community.progress.com/s/article/Progress-DataDirect-Critical-Security-Alert-Bulletin-September-2026-CVE-2026-91140"
},
{
"source": "security@progress.com",
"url": "https://github.com/progress/datadirect-arc-ai-model-gen/commit/7ede6d96eb033d647ffdcabf8d8069c098293575"
}
],
"sourceIdentifier": "security@progress.com",
"vulnStatus": "Awaiting Analysis",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-78"
}
],
"source": "security@progress.com",
"type": "Primary"
}
]
}
},
"vulnrichment": {
"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": "2026-10-06T14:03:27.492Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Autonomous REST Connector GenAI Agents",
"vendor": "Progress Software",
"versions": [
{
"lessThan": "2.1",
"status": "affected",
"version": "2.0",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Abhishek Nandkumar Bhaskar (Abhi-Hackz)"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "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."
}
],
"value": "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."
}
],
"impacts": [
{
"descriptions": [
{
"lang": "en",
"value": "An attacker can execute arbitrary operating system commands with the privileges of the user running the agent."
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.6,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-78",
"description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-06T13:46:11.357Z",
"orgId": "f9fea0b6-671e-4eea-8fde-31911902ae05",
"shortName": "ProgressSoftware"
},
"references": [
{
"tags": [
"patch"
],
"url": "https://github.com/progress/datadirect-arc-ai-model-gen/commit/7ede6d96eb033d647ffdcabf8d8069c098293575"
},
{
"tags": [
"vendor-advisory"
],
"url": "https://community.progress.com/s/article/Progress-DataDirect-Critical-Security-Alert-Bulletin-September-2026-CVE-2026-91140"
}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
{
"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": {
"discovery": "EXTERNAL"
},
"title": "OS command injection in Progress Software Autonomous REST Connector GenAI Agents",
"workarounds": [
{
"lang": "en",
"supportingMedia": [
{
"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."
}
],
"x_generator": {
"engine": "Vulnogram 0.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "f9fea0b6-671e-4eea-8fde-31911902ae05",
"assignerShortName": "ProgressSoftware",
"cveId": "CVE-2026-91140",
"datePublished": "2026-10-06T13:46:11.357Z",
"dateReserved": "2026-09-14T20:30:04.894Z",
"dateUpdated": "2026-10-06T14:03:30.122Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
Loading…
Loading…
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.
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.
Loading…
Related by attack behaviour
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.
Loading…