Description
Vulnerability in the Oracle Common Applications Calendar product of Oracle E-Business Suite (component: Applications Calendar). Supported versions that are affected are 12.2.3-12.2.15. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Common Applications Calendar. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Common Applications Calendar accessible data as well as unauthorized access to critical data or complete access to all Oracle Common Applications Calendar accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Common Applications Calendar. CVSS 3.1 Base Score 7.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L).
Published: 2026-09-15
Score: 7.1 High
EPSS: < 1% Very Low
KEV: No
Impact: Unauthorized data compromise and partial Denial of Service
Action: Assess Impact
AI Analysis

Impact

The vulnerability allows an attacker with low privilege and network access to the Oracle Common Applications Calendar component via HTTP to create, delete, and modify critical data entries. Successful exploitation can also enable unauthorized access to all data stored in the calendar and trigger a partial denial of service, disrupting legitimate use of the application.

Affected Systems

Oracle Common Applications Calendar for Oracle E-Business Suite, versions 12.2.3 through 12.2.15, are affected. These versions are identified by the vendor as needing remediation.

Risk and Exploitability

The CVSS v3.1 base score of 7.1 denotes moderate severity with high confidentiality and integrity impacts and a lower availability impact. A very low EPSS score of <1% indicates that exploitation is currently unlikely. The vulnerability is not listed in CISA’s KEV catalog. The attack vector is remote over HTTP, requiring only low privilege for exploitation, but it is described as difficult to exploit in practice.

Generated by OpenCVE AI on September 18, 2026 at 20:21 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Apply the Oracle patch or upgrade that addresses this issue as soon as a compatible update is available; refer to the linked Oracle security alert for patch details.
  • Restrict access to the Oracle Common Applications Calendar by configuring network firewalls or segmentation to allow traffic only from trusted hosts.
  • Enable and monitor application logging to detect anomalous data modifications or signs of service degradation that could indicate attempted exploitation.

Generated by OpenCVE AI on September 18, 2026 at 20:21 UTC.

Tracking

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Advisories

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History

Fri, 18 Sep 2026 21:30:00 +0000

Type Values Removed Values Added
Title Unauthorized Access and Partial Denial of Service in Oracle Common Applications Calendar

Thu, 17 Sep 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Wed, 16 Sep 2026 22:45:00 +0000

Type Values Removed Values Added
Title Unauthorized Access and Partial Denial of Service in Oracle Common Applications Calendar
Weaknesses CWE-284

Tue, 15 Sep 2026 20:15:00 +0000

Type Values Removed Values Added
Description Vulnerability in the Oracle Common Applications Calendar product of Oracle E-Business Suite (component: Applications Calendar). Supported versions that are affected are 12.2.3-12.2.15. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Common Applications Calendar. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Common Applications Calendar accessible data as well as unauthorized access to critical data or complete access to all Oracle Common Applications Calendar accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Common Applications Calendar. CVSS 3.1 Base Score 7.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L).
First Time appeared Oracle
Oracle common Applications Calendar
CPEs cpe:2.3:a:oracle:common_applications_calendar:*:*:*:*:*:*:*:*
Vendors & Products Oracle
Oracle common Applications Calendar
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L'}

Subscriptions

Oracle Common Applications Calendar
cve-icon MITRE

Status: PUBLISHED

Assigner: oracle

Published:

Updated: 2026-09-17T15:16:08.408Z

Reserved: 2026-08-31T15:40:57.344Z

Link: CVE-2026-83179

cve-icon Vulnrichment

Updated: 2026-09-17T14:58:29.832Z

cve-icon NVD

Status : Deferred

Published: 2026-09-15T20:18:29.017

Modified: 2026-09-17T16:18:07.450

Link: CVE-2026-83179

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-18T20:30:16Z

Weaknesses