CVE-2026-83176Network attack vector

Application takeover through undisclosed HTTP flaw

Published Sep 15, 2026 · Updated Sep 15, 2026

An undisclosed flaw in Oracle Common Applications Calendar 12.2.3 through 12.2.15 allows remote authenticated users to take over the application. Oracle has identified the affected locus only as the CRM User Management Framework and has not published the wrong operation performed on HTTP input. Exploitation requires network access to the HTTP interface and a high-privilege account, and successful exploitation compromises confidentiality, integrity, and availability.

CVSS severity7.2
High
EPSS probability0.46%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

An undisclosed flaw in Oracle Common Applications Calendar 12.2.3 through 12.2.15 allows remote authenticated users to take over the application. Oracle has identified the affected locus only as the CRM User Management Framework and has not published the wrong operation performed on HTTP input. Exploitation requires network access to the HTTP interface and a high-privilege account, and successful exploitation compromises confidentiality, integrity, and availability.

The record

CVE
CVE-2026-83176
Published
Sep 15, 2026
Updated
Sep 15, 2026
Vendor
Oracle Corporation
Product
Oracle Common Applications Calendar
Classifications
T1190
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Sep 15, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 15, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=12.2.3 <=12.2.15

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Oracle Corporation · Oracle Common Applications Calendarversion=12.2.3 <=12.2.15

Published CVSS scores

7.2Oracle CorporationCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo