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PatchSiren cyber security CVE debrief

CVE-2026-101465 Oracle Corporation CVE debrief

A vulnerability in Siebel CRM Deployment, a product of Oracle Siebel CRM, has been identified. The vulnerability affects versions 17.0 through 26.9 and is difficult to exploit, allowing a low-privileged attacker with logon access to the infrastructure to compromise Siebel CRM Deployment. Successful attacks can result in unauthorized creation, deletion, or modification access to critical data or all Siebel CRM Deployment accessible data, as well as unauthorized access to critical data or complete access to all Siebel CRM Deployment accessible data.

Vendor
Oracle Corporation
Product
Siebel CRM Deployment
CVSS
MEDIUM 6.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-20
Original CVE updated
2026-10-21
Advisory published
2026-10-20
Advisory updated
2026-10-21

Who should care

Siebel CRM Deployment administrators and users, Oracle Siebel CRM customers, security teams responsible for patching and vulnerability management, and operators of affected Siebel CRM Deployment systems should assess exposure and prioritize remediation. These stakeholders should review and apply Oracle's security patches, restrict access to Siebel CRM Deployment infrastructure, and monitor systems for suspicious activity.

Why it matters

The vulnerability in Siebel CRM Deployment requires attention from administrators and security teams to prevent potential unauthorized access and data manipulation. Siebel CRM Deployment administrators and users, Oracle Siebel CRM customers, and security teams responsible for patching and vulnerability management should assess exposure and prioritize remediation.

  • Potential unauthorized access to critical data or complete access to all Siebel CRM Deployment accessible data.
  • Potential unauthorized creation, deletion, or modification access to critical data or all Siebel CRM Deployment accessible data.
  • Need to verify the integrity of Siebel CRM Deployment data and configurations.
  • Need to apply security patches to Siebel CRM Deployment versions 17.0 through 26.9.

Technical summary

The vulnerability in Siebel CRM Deployment has a CVSS score of 6.3 and can result in unauthorized access to critical data or complete access to all Siebel CRM Deployment accessible data. The vulnerability affects versions 17.0 through 26.9 and is difficult to exploit, requiring a low-privileged attacker with logon access to the infrastructure. Successful attacks can result in unauthorized creation, deletion, or modification access to critical data or all Siebel CRM Deployment accessible data. The vulnerability requires attention from administrators and security teams to prevent potential unauthorized access and data manipulation.

Defensive priority

Medium

Recommended defensive actions

  • Review and apply Oracle's security patches for Siebel CRM Deployment versions 17.0 through 26.9.
  • Restrict access to Siebel CRM Deployment infrastructure to only necessary personnel.
  • Monitor Siebel CRM Deployment systems for suspicious activity.
  • Verify the integrity of Siebel CRM Deployment data and configurations.
  • Review compensating controls for exposed systems while remediation is scheduled and verified.
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review.
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented.

Evidence notes

The CVE record and Oracle advisory provide details on the vulnerability, including its CVSS score and affected versions. The vulnerability affects Siebel CRM Deployment versions 17.0 through 26.9 and requires a low-privileged attacker with logon access to the infrastructure. Defenders should verify the integrity of Siebel CRM Deployment data and configurations, and review compensating controls for exposed systems.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-101465 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-101465

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-101465 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-101465

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • CVE-2026-101465

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/101xxx/CVE-2026-101465.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://www.oracle.com/security-alerts/cpuoct2026.html

    Supplemental source - vendor-advisory

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.