Description
Vulnerability in the Siebel Apps - Self Service product of Oracle Siebel CRM (component: Helpdesk/Training). Supported versions that are affected are 17.0-26.6. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel Apps - Self Service. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Siebel Apps - Self Service, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel Apps - Self Service accessible data as well as unauthorized access to critical data or complete access to all Siebel Apps - Self Service accessible data. CVSS 3.1 Base Score 9.3 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N).
Published: 2026-08-18
Score: 9.3 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 26 Aug 2026 23:30:00 +0000

Type Values Removed Values Added
Title Unauthenticated HTTP Vulnerability in Oracle Siebel Apps Self Service Could Lead to Data Modification

Wed, 26 Aug 2026 21:00:00 +0000

Type Values Removed Values Added
Title Unauthenticated HTTP Vulnerability Enables Unauthorized Data Modification in Oracle Siebel Apps – Self Service
Weaknesses CWE-200
CWE-639

Wed, 26 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-284
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 21 Aug 2026 13:00:00 +0000

Type Values Removed Values Added
First Time appeared Oracle Corporation
Oracle Corporation siebel Apps - Self Service
Vendors & Products Oracle Corporation
Oracle Corporation siebel Apps - Self Service

Fri, 21 Aug 2026 05:15:00 +0000

Type Values Removed Values Added
Title Unauthenticated HTTP Vulnerability Enables Unauthorized Data Modification in Oracle Siebel Apps – Self Service
Weaknesses CWE-200
CWE-639

Wed, 19 Aug 2026 13:45:00 +0000

Type Values Removed Values Added
Title Unauthenticated HTTP Exploit in Oracle Siebel Apps Self Service Enables Unauthorized Data Modification
Weaknesses CWE-284
CWE-640

Wed, 19 Aug 2026 03:45:00 +0000

Type Values Removed Values Added
Title Unauthenticated HTTP Exploit in Oracle Siebel Apps Self Service Enables Unauthorized Data Modification
Weaknesses CWE-284
CWE-640

Tue, 18 Aug 2026 21:15:00 +0000

Type Values Removed Values Added
Description Vulnerability in the Siebel Apps - Self Service product of Oracle Siebel CRM (component: Helpdesk/Training). Supported versions that are affected are 17.0-26.6. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel Apps - Self Service. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Siebel Apps - Self Service, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel Apps - Self Service accessible data as well as unauthorized access to critical data or complete access to all Siebel Apps - Self Service accessible data. CVSS 3.1 Base Score 9.3 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N).
First Time appeared Oracle
Oracle siebel Apps - Self Service
CPEs cpe:2.3:a:oracle:siebel_apps_-_self_service:*:*:*:*:*:*:*:*
Vendors & Products Oracle
Oracle siebel Apps - Self Service
References
Metrics cvssV3_1

{'score': 9.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N'}


Subscriptions

Oracle Siebel Apps - Self Service
Oracle Corporation Siebel Apps - Self Service
cve-icon MITRE

Status: PUBLISHED

Assigner: oracle

Published:

Updated: 2026-08-26T14:16:58.663Z

Reserved: 2026-08-04T22:06:34.601Z

Link: CVE-2026-70855

cve-icon Vulnrichment

Updated: 2026-08-20T16:46:39.595Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-08-18T21:17:41.600

Modified: 2026-08-26T15:16:51.430

Link: CVE-2026-70855

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-26T23:15:05Z

Weaknesses