PatchSiren cyber security CVE debrief
CVE-2026-83455 Oracle Corporation CVE debrief
A vulnerability in Oracle Demand Signal Repository of Oracle E-Business Suite (component: Internal Operations) allows a low-privileged attacker with network access via HTTP to compromise the repository. Successful attacks can result in unauthorized creation, deletion, or modification access to critical data or all Oracle Demand Signal Repository accessible data, as well as unauthorized access to critical data or complete access to all Oracle Demand Signal Repository accessible data.
- Vendor
- Oracle Corporation
- Product
- Oracle Demand Signal Repository
- CVSS
- HIGH 8.1
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-09-15
- Original CVE updated
- 2026-09-18
- Advisory published
- 2026-09-15
- Advisory updated
- 2026-09-18
Who should care
Defenders responsible for Oracle E-Business Suite and Oracle Demand Signal Repository should assess exposure and verify security controls. This includes operators, platform administrators, vulnerability management teams, and security teams who need to prioritize verifying exposure of Oracle Demand Signal Repository versions 12.2.3-12.2.15 and assessing the effectiveness of current security controls to prevent potential unauthorized data access or The CVSS
Why it matters
Defenders should prioritize verifying exposure of Oracle Demand Signal Repository versions 12.2.3-12.2.15 and assessing the effectiveness of current security controls to prevent potential unauthorized data access or modification.
- Potential unauthorized data access or modification
- Compromise of Oracle Demand Signal Repository
- Exposure of sensitive data in Oracle E-Business Suite
Technical summary
The vulnerability in Oracle Demand Signal Repository allows a low-privileged attacker with network access via HTTP to compromise the repository, potentially resulting in unauthorized data access or modification. This vulnerability affects Oracle Demand Signal Repository versions 12.2.3-12.2.15 of Oracle E-Business Suite, and defenders should prioritize verifying exposure and assessing security controls to prevent potential attacks. Successful attacks can result in unauthorized creation, deletion, or modification access to critical data or all Oracle Demand Signal Repository accessible data as well as unauthorized access to critical data or complete access to all Oracle Demand Signal Repository accessible data.
Defensive priority
Defenders should prioritize verifying exposure of Oracle Demand Signal Repository versions 12.2.3-12.2.15 and assessing the effectiveness of current security controls.
Recommended defensive actions
- Verify Oracle Demand Signal Repository version and exposure
- Assess security controls for Oracle E-Business Suite
- Review network access and HTTP security measures
- 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
- Check relevant monitoring, detection, and logs for exposed assets that need extra review
Evidence notes
The CVE record and NVD entry provide details on the vulnerability, but vendor remediation and affected scope require verification from official sources. Defenders should verify the existence of Oracle Demand Signal Repository versions 12.2.3-12.2.15 in their environments and assess the effectiveness of current security controls to prevent potential unauthorized data access or modification.
Sources and references
Verified primary and authoritative sources
-
CVE-2026-83455 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-83455
CVE Program - Official CVE Program record with source-provided CVE metadata.
-
CVE-2026-83455 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-83455
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
-
Source reference
Unverified legacy reference
URL: https://www.oracle.com/security-alerts/cspusep2026.html
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.