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PatchSiren cyber security CVE debrief

CVE-2026-62452 Oracle Corporation CVE debrief

The CVE-2026-62452 vulnerability is a critical issue in Siebel CRM Cloud Applications versions 22.3-26.6. It allows unauthenticated attackers with network access via HTTP to compromise the application, potentially impacting additional products. Organizations should prioritize patching due to the critical CVSS score of 9.9 and potential for significant impact. The vulnerability could lead to unauthorized access to critical data, unauthorized update, insert or delete access to some data, and partial denial of service. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts).

Vendor
Oracle Corporation
Product
Siebel CRM Cloud Applications
CVSS
CRITICAL 9.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-18
Original CVE updated
2026-09-01
Advisory published
2026-08-18
Advisory updated
2026-09-01

Who should care

Organizations using Siebel CRM Cloud Applications versions 22.3-26.6 should prioritize patching due to the critical CVSS score of 9.9 and potential for significant impact. This includes operators, platform administrators, vulnerability management teams, and security teams who need to assess and mitigate this vulnerability. The vulnerability's impact on additional products and potential for unauthorized access to critical data make it a high priority for affected organizations. Affected product deployments should be identified and owners assigned for follow-up. Compensating controls should be reviewed for exposed systems while remediation is scheduled and verified. Monitoring and detection capabilities should be checked for exposed assets that need extra review. Exceptions should be tracked, and remediated assets retested before closing the item, with evidence documented. The CVE record was published on 2026-08-18T21:17:01.840Z and has not been modified since then, indicating no changes in the vulnerability's severity or impact over time. Therefore, immediate action is necessary to prevent potential breaches. The Siebel CRM Cloud Applications product is a key component of Oracle Siebel CRM, and its vulnerability could have far-reaching consequences if not addressed promptly. By prioritizing patching and taking proactive measures, organizations can minimize the risk associated with this critical vulnerability. Additionally, reviewing and updating incident response plans is crucial to ensure preparedness in case of a successful attack. This includes identifying potential entry points, enhancing monitoring capabilities, and establishing clear communication channels for incident response. Overall, a comprehensive approach is required to address the CVE-2026-62452 vulnerability effectively and protect against potential threats. The vulnerability's severity and potential impact underscore the importance of prompt action and thorough mitigation strategies. By taking immediate action and implementing robust security measures, organizations can reduce the risk of a successful attack and protect their critical assets. In conclusion, the CVE-2026-62452 vulnerability poses a

Technical summary

The CVE-2026-62452 vulnerability is a critical issue in Siebel CRM Cloud Applications versions 22.3-26.6. It has a CVSS score of 9.9, indicating high severity. The vulnerability allows unauthenticated attackers with network access via HTTP to compromise the application. This could lead to unauthorized access to critical data, unauthorized update, insert or delete access to some data, and partial denial of service.

Defensive priority

Organizations using Siebel CRM Cloud Applications versions 22.3-26.6 should prioritize patching due to the critical CVSS score of 9.9 and potential for significant impact.

Recommended defensive actions

  • Apply patches for Siebel CRM Cloud Applications versions 22.3-26.6
  • Restrict network access to Siebel CRM Cloud Applications
  • Monitor for suspicious activity
  • Review and update incident response plans
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
  • 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

Evidence notes

The CVE-2026-62452 vulnerability affects Siebel CRM Cloud Applications versions 22.3-26.6. It allows unauthenticated attackers with network access via HTTP to compromise the application, potentially impacting additional products. Successful attacks can result in unauthorized access to critical data, update, insert or delete access to some data, and partial denial of service.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-62452 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-62452

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

  • CVE-2026-62452 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-62452

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

Supplemental references

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.