TI-2026-77498 Aliases CVE-2026-91443 GHSA-rpmr-gcrv-9876

Information exposure in Oracle Siebel CRM Deployment

LOW 29CWE-200Published 2026-10-20 · Updated 2026-10-23

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Information disclosure
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-200.

Summary

Oracle Siebel CRM Deployment versions from 17.0 through 26.9 are affected, in the Server Infrastructure component. The flaw is CWE-200, where sensitive information is exposed to an unauthorized actor. A low-privileged remote attacker with network access over HTTP can gain unauthorized access to critical data accessible through Siebel CRM Deployment.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). 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 Deployment. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel CRM Deployment accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00291 21st percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Oracle	Siebel CRM Deployment	17.0 – 26.9	—	No fix listed	CNA

Siebel CRM Deployment VendorOracle Affected 17.0 – 26.9 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:oracle:siebel_crm::::::::	17.0 – 26.9	Vulnerable	Oracle

cpe:2.3:a:oracle:siebel_crm:*:*:*:*:*:*:*:* Versions 17.0 – 26.9 Vulnerable ·Oracle

Remediation

The sources list no fixed version for Oracle Siebel CRM Deployment.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Advisory · 2026-10-20
Oracle Siebel CRM Deployment — oracle.com/security-alerts/cpuoct2026.html
35 records Highest priority Priority MEDIUM 3 MEDIUM, 32 LOW
Other records, highest priority first
- TI-2026-77773 Improper access control in Oracle Siebel CRM Deployment exposes dataPriority MEDIUM 42
- TI-2026-77497 Oracle Siebel CRM Deployment Server Infrastructure flaw enables takeoverPriority MEDIUM 40
- TI-2026-77492 Improper access control in Oracle Siebel CRM DeploymentPriority MEDIUM 40
Show all 35 records → Advisory →

Timeline

2026-10-21 Threatist record created from CVE-2026-91443
2026-10-21 Alias added: GHSA-rpmr-gcrv-9876
2026-10-22 Priority changed: MEDIUM → LOW
2026-10-24 Weakness changed · CISA ADP
2026-10-24 CISA SSVC decision points changed

References

Advisory 1

Oracle Advisory

TI-2026-44706 Improper access control in Oracle Siebel CRM Integration CVSS 3.1CRITICAL 9.8
TI-2026-44699 Improper access control in Oracle Siebel CRM Administration CVSS 3.1CRITICAL 9.8
TI-2026-44566 Improper access control in Oracle Siebel CRM Cloud Applications CVSS 3.1CRITICAL 9.9
TI-2026-43962 Improper access control in Oracle Siebel CRM Cloud Applications CVSS 3.1CRITICAL 9.8
TI-2026-34639 Missing authentication in Oracle Siebel CRM Development CVSS 3.1CRITICAL 9.8
TI-2026-34525 Improper access control in Oracle Siebel CRM Cloud Applications CVSS 3.1CRITICAL 9.8

See all 244 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences