PatchSiren cyber security CVE debrief
CVE-2026-83139 Oracle Corporation CVE debrief
A vulnerability in Oracle Order Management, a component of Oracle E-Business Suite, allows a low-privileged attacker with network access via HTTP to compromise the product. Successful attacks can result in unauthorized access to critical data or complete access to all Oracle Order Management accessible data. This vulnerability, with a CVSS 3.1 Base Score of 6.5, focuses on confidentiality impacts. Defenders should assess exposure and prioritize verification and remediation efforts, especially for systems using Oracle Order Management versions 12.2.3-12.2.15.
- Vendor
- Oracle Corporation
- Product
- Oracle Order Management
- CVSS
- MEDIUM 6.5
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-10-20
- Original CVE updated
- 2026-10-27
- Advisory published
- 2026-10-20
- Advisory updated
- 2026-10-27
Who should care
Defenders responsible for Oracle E-Business Suite and Oracle Order Management systems should assess exposure and prioritize verification and remediation efforts. This includes IT security teams, system administrators, and compliance officers who manage or monitor these systems. They should review system configurations, assess network exposure, and implement recommended security patches or updates provided by Oracle.
Why it matters
CVE-2026-83139 is a medium-severity vulnerability in Oracle Order Management that allows unauthorized access to critical data. Defenders should prioritize verifying exposure, assessing impact, and implementing recommended security patches.
- Potential unauthorized access to critical data or Oracle Order Management accessible data.
- Need to verify exposure and assess impact on systems using Oracle Order Management versions 12.2.3-12.2.15.
- Priority on implementing recommended security patches or updates provided by Oracle.
Technical summary
The vulnerability in Oracle Order Management, a component of Oracle E-Business Suite, allows a low-privileged attacker with network access via HTTP to compromise the product. Successful attacks can result in unauthorized access to critical data or complete access to all Oracle Order Management accessible data. The CVSS 3.1 Base Score is 6.5 (Confidentiality impacts). The vulnerability affects versions 12.2.3-12.2.15 of Oracle Order Management. Defenders should focus on verifying exposure and implementing recommended security patches.
Defensive priority
Defenders should prioritize verifying exposure and assessing the impact of this vulnerability on their systems, particularly those using Oracle Order Management versions 12.2.3-12.2.15.
Recommended defensive actions
- Verify Oracle Order Management version and check if it falls within the affected range (12.2.3-12.2.15).
- Assess network access and HTTP exposure to the Oracle Order Management product.
- Review and implement recommended security patches or updates provided by Oracle.
- Monitor for potential unauthorized access to critical data or Oracle Order Management accessible data.
- Perform a thorough review of system configurations and network exposure.
- Inventory affected systems and prioritize remediation based on criticality and exposure.
- Track and document remediation progress and verification efforts.
Evidence notes
The CVE record and NVD entry provide details on the vulnerability, including its CVSS score of 6.5 and vector (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N). The vulnerability affects Oracle Order Management versions 12.2.3-12.2.15. Defenders should verify exposure and assess impact based on source-provided information and recommended security patches.
Sources and references
Verified primary and authoritative sources
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CVE-2026-83139 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-83139
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-83139 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-83139
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
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Source reference
Unverified legacy reference
URL: https://www.oracle.com/security-alerts/cpuoct2026.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.