Vulnerability in the Oracle Common Applications Calendar product of Oracle E-Business Suite (component: Applications Calendar). (CVE-2026-83186)
A vulnerability exists in the Oracle Common Applications Calendar component of Oracle E-Business Suite versions 12.2.3 through 12.2.15. This flaw allows a low-privileged attacker with network access via HTTP to perform unauthorized creation, deletion, or modification of critical data and potentially cause a partial denial of service. The vulnerability has a CVSS 3.1 base score of 7.1, indicating high severity with impacts on integrity and availability. Oracle has addressed this vulnerability in its September 2026 Critical Security Patch Update.
AI Analysis
Technical Summary
CVE-2026-83186 is a vulnerability in the Oracle Common Applications Calendar product within Oracle E-Business Suite, affecting supported versions 12.2.3 through 12.2.15. The vulnerability is exploitable by a low-privileged attacker over the network via HTTP without user interaction, allowing unauthorized modification of critical data and partial denial of service. The CVSS 3.1 vector is AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L with a base score of 7.1. Oracle has released a Critical Security Patch Update in September 2026 that includes fixes for this vulnerability among others.
Potential Impact
Successful exploitation can lead to unauthorized creation, deletion, or modification of critical data within the Oracle Common Applications Calendar, compromising data integrity. Additionally, it can cause a partial denial of service affecting availability. There is no confidentiality impact reported. The vulnerability requires network access and low privileges but no user interaction.
Mitigation Recommendations
Oracle has released a security patch for this vulnerability as part of the September 2026 Critical Security Patch Update. Users of Oracle E-Business Suite versions 12.2.3 through 12.2.15 should apply the relevant patches promptly to remediate this issue. Oracle strongly recommends staying on actively supported versions and applying security patches without delay to prevent exploitation.
Vulnerability in the Oracle Common Applications Calendar product of Oracle E-Business Suite (component: Applications Calendar). (CVE-2026-83186)
Description
A vulnerability exists in the Oracle Common Applications Calendar component of Oracle E-Business Suite versions 12.2.3 through 12.2.15. This flaw allows a low-privileged attacker with network access via HTTP to perform unauthorized creation, deletion, or modification of critical data and potentially cause a partial denial of service. The vulnerability has a CVSS 3.1 base score of 7.1, indicating high severity with impacts on integrity and availability. Oracle has addressed this vulnerability in its September 2026 Critical Security Patch Update.
CVSS v3.1
Score 7.1high
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-83186 is a vulnerability in the Oracle Common Applications Calendar product within Oracle E-Business Suite, affecting supported versions 12.2.3 through 12.2.15. The vulnerability is exploitable by a low-privileged attacker over the network via HTTP without user interaction, allowing unauthorized modification of critical data and partial denial of service. The CVSS 3.1 vector is AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L with a base score of 7.1. Oracle has released a Critical Security Patch Update in September 2026 that includes fixes for this vulnerability among others.
Potential Impact
Successful exploitation can lead to unauthorized creation, deletion, or modification of critical data within the Oracle Common Applications Calendar, compromising data integrity. Additionally, it can cause a partial denial of service affecting availability. There is no confidentiality impact reported. The vulnerability requires network access and low privileges but no user interaction.
Mitigation Recommendations
Oracle has released a security patch for this vulnerability as part of the September 2026 Critical Security Patch Update. Users of Oracle E-Business Suite versions 12.2.3 through 12.2.15 should apply the relevant patches promptly to remediate this issue. Oracle strongly recommends staying on actively supported versions and applying security patches without delay to prevent exploitation.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-gfcg-8qfg-gwfq
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-83186"]
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aaa07e055bf5e2cf5ea332d
Added to database: 09/16/2026, 03:07:12 UTC
Last enriched: 09/16/2026, 04:17:38 UTC
Last updated: 09/16/2026, 05:01:23 UTC
Views: 1
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