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PatchSiren cyber security CVE debrief

CVE-2026-101455 Oracle Corporation CVE debrief

A vulnerability in Siebel CRM Development, a product of Oracle Siebel CRM, has been identified. The vulnerability is located in the Integration - Scripting component and affects versions 17.0 through 26.9. It is considered difficult to exploit and requires a low-privileged attacker with logon access to the infrastructure where Siebel CRM Development executes. Successful exploitation can lead to unauthorized creation, deletion, or modification of critical data or all Siebel CRM Development accessible data, as well as unauthorized access to critical data or complete access to all Siebel CRM Development accessible data.

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

Who should care

Defenders responsible for Siebel CRM Development deployments, particularly those with versions 17.0 through 26.9, should assess their exposure and prioritize patching or mitigating the vulnerability. IT administrators, security teams, and compliance officers should verify the affected versions in their environment and monitor for suspicious activity.

Why it matters

The vulnerability in Siebel CRM Development requires attention from defenders responsible for deployments with versions 17.0 through 26.9. It is crucial to assess exposure, prioritize patching or mitigation, and monitor for suspicious activity to prevent potential data breaches and operational disruptions.

  • Potential unauthorized data access and modification.
  • Possible disruption of critical business operations.
  • Need for verification of affected versions and patching.
  • Requirement for monitoring and incident response planning.

Technical summary

The vulnerability in Siebel CRM Development is located in the Integration - Scripting component and affects versions 17.0 through 26.9. It is considered difficult to exploit and requires a low-privileged attacker with logon access to the infrastructure where Siebel CRM Development executes. Successful exploitation can lead to unauthorized creation, deletion, or modification of critical data or all Siebel CRM Development accessible data, as well as unauthorized access to critical data or complete access to all Siebel CRM Development accessible data. The CVSS 3.1 Base Score is 6.3, indicating a medium severity.

Defensive priority

Defenders should prioritize verifying the affected versions of Siebel CRM Development in their environment and assessing the vulnerability's impact on their specific deployment. They should also monitor for any suspicious activity related to data access and modification.

Recommended defensive actions

  • Verify the affected versions of Siebel CRM Development in your environment.
  • Assess the vulnerability's impact on your specific deployment.
  • Monitor for suspicious activity related to data access and modification.
  • Apply patches or updates provided by Oracle Corporation as soon as possible.
  • 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 source item provide details about the vulnerability, its impact, and the affected versions of Siebel CRM Development. However, the corpus does not provide information on exploitation or specific remediation steps.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-101455 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-101455

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

  • CVE-2026-101455 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-101455

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

Supplemental references

  • CVE-2026-101455

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/101xxx/CVE-2026-101455.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.