PatchSiren cyber security CVE debrief
CVE-2026-61259 Oracle Corporation CVE debrief
The CVE-2026-61259 vulnerability affects the Oracle Hyperion Calculation Manager product, specifically the Security component. This vulnerability is easily exploitable and allows a low-privileged attacker with network access via HTTP to compromise the system. Successful attacks can lead to unauthorized access to critical data and partial denial of service. The CVSS 3.1 Base Score is 7.1, indicating high severity. Oracle Hyperion Calculation Manager users should review and apply the necessary patches to mitigate this risk. The vulnerability's impact on confidentiality and availability is significant, and users must take immediate action to protect their systems.
- Vendor
- Oracle Corporation
- Product
- Oracle Hyperion Calculation Manager
- CVSS
- HIGH 7.1
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-08-18
- Original CVE updated
- 2026-08-25
- Advisory published
- 2026-08-18
- Advisory updated
- 2026-08-25
Who should care
Oracle Hyperion Calculation Manager users, administrators, and security teams should be aware of this vulnerability and take necessary actions to mitigate the risk. Affected parties must review the official CVE and NVD records for detailed information on affected configurations and potential attack vectors. They should also consider implementing compensating controls and monitor their systems for unauthorized access or suspicious activity. Additionally, users should prioritize patching to prevent potential data breaches and service disruptions. Security teams must ensure that their incident response plans are updated to address this vulnerability, and they should conduct thorough risk assessments to identify potential vulnerabilities in their environments. IT teams responsible for Oracle Hyperion Calculation Manager deployments should also be informed and involved in the mitigation process. Furthermore, executives and managers should be aware of the potential business impact and allocate necessary resources for remediation efforts. Compliance and regulatory teams may also need to be engaged to ensure that mitigation efforts meet regulatory requirements. Lastly, end-users who interact with the affected systems should be informed about the potential risks and the steps being taken to mitigate them. By taking a comprehensive approach, organizations can minimize the risk associated with this vulnerability and protect their assets effectively. It is crucial for all stakeholders to work together to ensure the timely and effective mitigation of this vulnerability, thereby reducing the risk of data breaches and service disruptions. The involvement of multiple teams and stakeholders is essential to address the potential impact on confidentiality and availability, and to ensure that the necessary measures are taken to protect against exploitation. Effective communication and coordination among teams will be critical to the successful mitigation of this vulnerability, and to minimizing its potential impact on the organization. Therefore, it is essential that all relevant parties are informed and engaged in the mitigation process, and that they work together to implement a
Technical summary
CVE-2026-61259 is a vulnerability in the Oracle Hyperion Calculation Manager product of Oracle Hyperion (component: Security). The supported version that is affected is 11.2.25.0.000. This easily exploitable vulnerability allows a low-privileged attacker with network access via HTTP to compromise Oracle Hyperion Calculation Manager. Successful attacks can result in unauthorized access to critical data or complete access to all Oracle Hyperion Calculation Manager accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Hyperion Calculation Manager. The CVSS 3.1 Base Score is 7.1 (Confidentiality and Availability impacts).
Defensive priority
Oracle Hyperion Calculation Manager users should prioritize patching to prevent potential data breaches and service disruptions.
Recommended defensive actions
- Apply the security patch provided by Oracle as soon as possible.
- Review and update access controls to limit network access to Oracle Hyperion Calculation Manager.
- Monitor Oracle Hyperion Calculation Manager systems for unauthorized access or suspicious activity.
- Consider implementing compensating controls, such as network segmentation or additional authentication mechanisms.
- Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
- Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.
- Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.
Evidence notes
The CVE-2026-61259 vulnerability in Oracle Hyperion Calculation Manager has been documented in official records. However, detailed information about affected configurations and potential attack vectors is limited. Users are advised to review the official CVE and NVD records for the most current information.
Sources and references
Verified primary and authoritative sources
-
CVE-2026-61259 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-61259
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-61259 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-61259
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
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Mitigation or vendor reference
Unverified legacy reference
URL: https://www.oracle.com/security-alerts/cspuaug2026.html
[email protected] - 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.