Improper access control in Oracle Common Applications Calendar
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-284.
Summary
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. Easily exploitable 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 and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Common Applications Calendar. CVSS 3.1 Base Score 7.1 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L).
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Oracle Common Applications Calendar — oracle.com/security-alerts/cspusep2026.html
3 records Highest priority Priority LOW 3 LOW
Other records, highest priority first
- TI-2026-57419 Improper access control in Oracle Common Applications CalendarPriority LOW 33
- TI-2026-57427 Improper access control in Oracle Common Applications CalendarPriority LOW 31
Timeline
- 2026-10-02 Threatist record created from CVE-2026-83186
- 2026-10-03 Alias added: GHSA-gfcg-8qfg-gwfq
References
Advisory 1
More Oracle vulnerabilities
- TI-2026-34425 Improper privilege management in Oracle Payments KEVCVSS 3.1CRITICAL 9.8
- TI-2026-27421 Missing authentication in Oracle PeopleSoft Enterprise PeopleTools KEVCVSS 3.1CRITICAL 9.8
- TI-2026-17661 Improper access control in Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in KEVCVSS 3.1CRITICAL 10.0
- TI-2025-38252 Improper authentication in Oracle Concurrent Processing KEVCVSS 3.1CRITICAL 9.8
- TI-2025-38151 Missing authentication in Oracle Identity Manager KEVCVSS 3.1CRITICAL 9.8
- TI-2022-07142 Code injection in Spring Framework KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-83186 · CVE Program
- CVE-2026-83186 · NVD
- FIRST EPSS
- GHSA-gfcg-8qfg-gwfq · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences