Description
Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager). Supported versions that are affected are 22.3-26.9. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM Cloud Applications. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel CRM Cloud Applications accessible data. CVSS 3.1 Base Score 5.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N).
Published: 2026-10-20
Score: 5.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Integrity compromise (unauthorized data modification)
Action: Patch Now
AI Analysis

Impact

The vulnerability is in the Siebel Cloud Manager component of Oracle Siebel CRM Cloud Applications, allowing an attacker with low privilege and network access over HTTP to modify, delete, or create data. This results in integrity compromise of all data accessible through the application. The CVSS score of 5.3 reflects a moderate severity with primary impact on integrity, with no direct confidentiality or availability disruption.

Affected Systems

Oracle Siebel CRM Cloud Applications, specifically the Siebel Cloud Manager component. Versions from 22.3 up to 26.9 are affected.

Risk and Exploitability

The CVSS base score of 5.3 places the vulnerability in the moderate category. The EPSS score of < 1% indicates a very low probability of exploitation, although not zero. The low privileged attacker can reach the target via network, suggesting a relatively low barrier to attack. The vulnerability is not listed in the CISA KEV catalog, indicating no known public exploits. If exploited, attackers could compromise the integrity of the entire Siebel CRM Cloud Applications environment, impacting business data and trust.

Generated by OpenCVE AI on October 22, 2026 at 08:11 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Apply the latest Oracle patch or upgrade to a version that fixes the vulnerability
  • Restrict network access to the Siebel Cloud Manager to trusted networks or a VPN
  • Enforce least‑privilege access controls for all application APIs

Generated by OpenCVE AI on October 22, 2026 at 08:11 UTC.

Tracking

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Advisories

No advisories yet.

History

Wed, 04 Nov 2026 14:30:00 +0000

Type Values Removed Values Added
First Time appeared Oracle siebel Crm
CPEs cpe:2.3:a:oracle:siebel_crm:*:*:*:*:*:*:*:*
Vendors & Products Oracle siebel Crm

Thu, 22 Oct 2026 08:30:00 +0000

Type Values Removed Values Added
Title Unauthorized Data Modification via Siebel Cloud Manager over HTTP

Thu, 22 Oct 2026 01:45:00 +0000

Type Values Removed Values Added
Title Unauthorized Data Modification via Siebel Cloud Manager over HTTP

Wed, 21 Oct 2026 22:30:00 +0000

Type Values Removed Values Added
Title Siebel CRM Cloud Applications Integrity Vulnerability Enabling Unauthorized Data Modification
Weaknesses CWE-285

Wed, 21 Oct 2026 17:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-284
Metrics ssvc

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


Wed, 21 Oct 2026 09:45:00 +0000

Type Values Removed Values Added
Title Siebel CRM Cloud Applications Integrity Vulnerability Enabling Unauthorized Data Modification
Weaknesses CWE-285

Tue, 20 Oct 2026 21:30:00 +0000

Type Values Removed Values Added
Description Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager). Supported versions that are affected are 22.3-26.9. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM Cloud Applications. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel CRM Cloud Applications accessible data. CVSS 3.1 Base Score 5.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N).
First Time appeared Oracle
Oracle siebel Crm Cloud Applications
CPEs cpe:2.3:a:oracle:siebel_crm_cloud_applications:*:*:*:*:*:*:*:*
Vendors & Products Oracle
Oracle siebel Crm Cloud Applications
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N'}


Subscriptions

Oracle Siebel Crm Siebel Crm Cloud Applications
cve-icon MITRE

Status: PUBLISHED

Assigner: oracle

Published:

Updated: 2026-10-21T15:54:55.507Z

Reserved: 2026-09-14T22:10:16.630Z

Link: CVE-2026-91369

cve-icon Vulnrichment

Updated: 2026-10-21T15:54:44.247Z

cve-icon NVD

Status : Analyzed

Published: 2026-10-20T22:20:39.830

Modified: 2026-11-04T14:18:45.723

Link: CVE-2026-91369

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-22T18:15:11Z

Weaknesses