cve-2026-91389
MEDIUM CVSS 5.4 opencveVulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI). Supported versions that are affected are 17.0-26.9. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM End User. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Siebel CRM End User, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Siebel CRM End User accessible data as well as unauthorized read access to a subset of Siebel CRM End User accessible data. CVSS 3.1 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N).
- Published
- 2026-10-20 22:20 UTC
- Last Modified
- 2026-11-04
CVSS details not available.
No product information available.
| Version | Base | Severity | Vector | Exploitability | Impact | Source |
|---|---|---|---|---|---|---|
| 3.1 | 5.4 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
mitre | ||
| 3.1 | 5.4 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
nvd | ||
| 3.1 | 5.4 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
opencve |
No references available.
{
"cve": "CVE-2026-91389",
"enrichment": {
"affected": [
{
"configurations": [
{
"platform": null,
"status": "affected",
"versions": {
"scheme": "generic",
"value": "[17.0,26.9]"
}
}
],
"enrichment": {
"confidence": 100.0,
"confidence_source": "matching",
"scores": [
{
"score": 100.0,
"source": "matching"
}
]
},
"original": {
"product": "Siebel CRM End User",
"source": "cna",
"vendor": "Oracle Corporation"
},
"product": "siebel_crm_end_user",
"vendor": "oracle"
}
],
"created": "2026-10-21T14:00:08.609557+00:00",
"title": "Low-Privilege HTTP Exploit in Siebel CRM End User Enables Unauthorized Data Modification",
"updated": "2026-10-21T19:30:07.564081+00:00",
"vendors": [
"oracle",
"oracle$PRODUCT$siebel_crm_end_user"
],
"weaknesses": [
"CWE-284",
"CWE-250"
]
},
"epss": {
"score": 0.00196
},
"mitre": {
"cpes": [
"cpe:2.3:a:oracle:siebel_crm_end_user:*:*:*:*:*:*:*:*"
],
"created": "2026-10-20T21:25:42.069000+00:00",
"description": "Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI). Supported versions that are affected are 17.0-26.9. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM End User. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Siebel CRM End User, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Siebel CRM End User accessible data as well as unauthorized read access to a subset of Siebel CRM End User accessible data. CVSS 3.1 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N).",
"metrics": {
"cvssV2_0": {},
"cvssV3_0": {},
"cvssV3_1": {
"score": 5.4,
"vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"
},
"cvssV4_0": {}
},
"mitre_repo_path": "cves/2026/91xxx/CVE-2026-91389.json",
"references": [
"https://www.oracle.com/security-alerts/cpuoct2026.html"
],
"title": null,
"updated": "2026-10-21T15:08:01.708000+00:00",
"vendors": [
"oracle",
"oracle$PRODUCT$siebel_crm_end_user"
],
"weaknesses": []
},
"nvd": {
"cpes": [
"cpe:2.3:a:oracle:siebel_crm:*:*:*:*:*:*:*:*"
],
"created": "2026-10-20T22:20:42.160000+00:00",
"description": "Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI). Supported versions that are affected are 17.0-26.9. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM End User. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Siebel CRM End User, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Siebel CRM End User accessible data as well as unauthorized read access to a subset of Siebel CRM End User accessible data. CVSS 3.1 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N).",
"metrics": {
"cvssV2_0": {},
"cvssV3_0": {},
"cvssV3_1": {
"score": 5.4,
"vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"
},
"cvssV4_0": {}
},
"nvd_repo_path": "2026/CVE-2026-91389.json",
"references": [
"https://www.oracle.com/security-alerts/cpuoct2026.html"
],
"title": null,
"updated": "2026-11-04T17:18:07.357000+00:00",
"vendors": [
"oracle",
"oracle$PRODUCT$siebel_crm"
],
"weaknesses": [
"CWE-284"
]
},
"opencve": {
"changes": [
{
"created": "2026-10-20T21:30:00+00:00",
"data": [
{
"details": {
"new": "Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI). Supported versions that are affected are 17.0-26.9. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM End User. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Siebel CRM End User, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Siebel CRM End User accessible data as well as unauthorized read access to a subset of Siebel CRM End User accessible data. CVSS 3.1 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N).",
"old": null
},
"type": "description"
},
{
"details": [
"oracle",
"oracle$PRODUCT$siebel_crm_end_user"
],
"type": "first_time"
},
{
"details": {
"added": [
"cpe:2.3:a:oracle:siebel_crm_end_user:*:*:*:*:*:*:*:*"
],
"removed": []
},
"type": "cpes"
},
{
"details": {
"added": [
"oracle",
"oracle$PRODUCT$siebel_crm_end_user"
],
"removed": []
},
"type": "vendors"
},
{
"details": {
"added": [
"https://www.oracle.com/security-alerts/cpuoct2026.html"
],
"removed": []
},
"type": "references"
},
{
"details": {
"added": {
"cvssV3_1": {
"score": 5.4,
"vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"
}
},
"removed": {},
"updated": {}
},
"type": "metrics"
}
],
"id": "8174e606-f594-4af1-8b4e-941e39993b94"
},
{
"created": "2026-10-21T17:15:00+00:00",
"data": [
{
"details": {
"new": "Low-Privilege HTTP Exploit in Siebel CRM End User Enables Unauthorized Data Modification",
"old": null
},
"type": "title"
},
{
"details": {
"added": [
"CWE-250",
"CWE-284"
],
"removed": []
},
"type": "weaknesses"
},
{
"details": {
"added": {
"ssvc": {
"options": {
"Automatable": "no",
"Exploitation": "none",
"Technical Impact": "partial"
},
"version": "2.0.3"
}
},
"removed": {},
"updated": {}
},
"type": "metrics"
}
],
"id": "4dd74293-e359-43f2-b833-83a4ff7497b6"
},
{
"created": "2026-11-04T17:30:00+00:00",
"data": [
{
"details": [
"oracle$PRODUCT$siebel_crm"
],
"type": "first_time"
},
{
"details": {
"added": [
"cpe:2.3:a:oracle:siebel_crm:*:*:*:*:*:*:*:*"
],
"removed": []
},
"type": "cpes"
},
{
"details": {
"added": [
"oracle$PRODUCT$siebel_crm"
],
"removed": []
},
"type": "vendors"
}
],
"id": "c85cb948-9414-47c6-8bf7-dcda1bb51717"
}
],
"cpes": {
"data": [
"cpe:2.3:a:oracle:siebel_crm:*:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:siebel_crm_end_user:*:*:*:*:*:*:*:*"
],
"providers": [
"mitre",
"nvd"
]
},
"created": {
"data": "2026-10-20T21:25:42.069000+00:00",
"provider": "mitre"
},
"description": {
"data": "Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI). Supported versions that are affected are 17.0-26.9. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM End User. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Siebel CRM End User, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Siebel CRM End User accessible data as well as unauthorized read access to a subset of Siebel CRM End User accessible data. CVSS 3.1 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N).",
"provider": "mitre"
},
"metrics": {
"cvssV2_0": {
"data": {},
"provider": null
},
"cvssV3_0": {
"data": {},
"provider": null
},
"cvssV3_1": {
"data": {
"score": 5.4,
"vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"
},
"provider": "mitre"
},
"cvssV4_0": {
"data": {},
"provider": null
},
"epss": {
"data": {
"score": 0.00196
},
"provider": "first"
},
"kev": {
"data": {},
"provider": null
},
"ssvc": {
"data": {
"options": {
"Automatable": "no",
"Exploitation": "none",
"Technical Impact": "partial"
},
"version": "2.0.3"
},
"provider": "vulnrichment"
},
"threat_severity": {
"data": null,
"provider": null
}
},
"references": {
"data": [
"https://www.oracle.com/security-alerts/cpuoct2026.html"
],
"providers": [
"mitre",
"nvd"
]
},
"title": {
"data": "Low-Privilege HTTP Exploit in Siebel CRM End User Enables Unauthorized Data Modification",
"provider": "enrichment"
},
"updated": {
"data": "2026-11-04T17:18:07.357000+00:00",
"provider": "nvd"
},
"vendors": {
"data": [
"oracle",
"oracle$PRODUCT$siebel_crm",
"oracle$PRODUCT$siebel_crm_end_user"
],
"providers": [
"mitre",
"nvd",
"enrichment"
]
},
"weaknesses": {
"data": [
"CWE-250",
"CWE-284"
],
"providers": [
"nvd",
"vulnrichment",
"enrichment"
]
}
},
"vulnrichment": {
"cpes": [],
"created": "2026-10-20T21:25:42.069000+00:00",
"description": "Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI). Supported versions that are affected are 17.0-26.9. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM End User. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Siebel CRM End User, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Siebel CRM End User accessible data as well as unauthorized read access to a subset of Siebel CRM End User accessible data. CVSS 3.1 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N).",
"metrics": {
"cvssV2_0": {},
"cvssV3_0": {},
"cvssV3_1": {},
"cvssV4_0": {},
"kev": {},
"ssvc": {
"options": {
"Automatable": "no",
"Exploitation": "none",
"Technical Impact": "partial"
},
"version": "2.0.3"
}
},
"references": [],
"title": null,
"updated": "2026-10-21T15:07:56.972000+00:00",
"vendors": [],
"vulnrichment_repo_path": "2026/91xxx/CVE-2026-91389.json",
"weaknesses": [
"CWE-284"
]
}
}