PatchSiren cyber security CVE debrief
CVE-2026-101566 Oracle Corporation CVE debrief
CVE-2026-101566 debrief based on CVE Program and NVD records. The vulnerability affects Oracle Application Object Library, specifically component: DB Privileges, in versions 12.2.3-12.2.15. It's an easily exploitable vulnerability that allows a low-privileged attacker with logon to the infrastructure to compromise Oracle Application Object Library. Successful attacks can result in takeover of Oracle Application Object Library, with impacts on Confidentiality, Integrity, and Availability.
- Vendor
- Oracle Corporation
- Product
- Oracle Application Object Library
- CVSS
- HIGH 7.8
- 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
Oracle Application Object Library administrators and security teams should prioritize patching and verifying system configurations due to the high CVSS score and potential for compromise. This includes reviewing and applying Oracle security patches, verifying system configurations and inventory for exposure, and monitoring system logs for suspicious activity.
Why it matters
Defenders should prioritize patching and verifying system configurations due to high CVSS score and potential for compromise
- Potential takeover of Oracle Application Object Library
- Confidentiality, Integrity, and Availability impacts
Technical summary
Easily exploitable vulnerability in Oracle Application Object Library allows low privileged attacker to compromise the library. The vulnerability is in component DB Privileges and affects versions 12.2.3-12.2.15. Successful attacks can result in takeover of Oracle Application Object Library, with high impacts on Confidentiality, Integrity, and Availability. The CVSS 3.1 Base Score is 7.8, indicating High severity. The vulnerability is exploitable with low privileges and has high impacts on Confidentiality, Integrity, and Availability.
Defensive priority
High priority for Oracle Application Object Library administrators
Recommended defensive actions
- Review and apply Oracle security patches for affected versions of Oracle Application Object Library.
- Verify system configurations and inventory for exposure to the vulnerability.
- Monitor system logs for suspicious activity related to Oracle Application Object Library.
- 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.
- Track exceptions, retest remediated assets, and close the item only after evidence is documented.
Evidence notes
Official CVE Program and NVD records confirm vulnerability in Oracle Application Object Library. The CVE record was published on 2026-10-20T21:21:35.439Z and has not been modified since then. The CVSS 3.1 Base Score is 7.8, indicating a High severity. The vulnerability is exploitable with low privileges and has high impacts on Confidentiality, Integrity, and Availability.
Sources and references
Verified primary and authoritative sources
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CVE-2026-101566 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-101566
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-101566 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-101566
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
-
CVE-2026-101566
Unverified legacy reference
URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/101xxx/CVE-2026-101566.json
cve_program_cvelist_v5
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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.