CVE-2026-83212Network attack vector

Authenticated application takeover via undisclosed Helpdesk flaw

Published Sep 15, 2026 · Updated Sep 15, 2026

Unspecified flaw in Oracle Siebel Self Service 17.0 through 26.7 allows remote authenticated users to take over the application via HTTP. Oracle has not published the affected file, function, request parameter, or incorrect operation in the Helpdesk/Training component. Exploitation requires a low-privileged account and HTTP access, and success grants full control of the Self Service application.

CVSS severity8.8
High
EPSS probability0.35%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Unspecified flaw in Oracle Siebel Self Service 17.0 through 26.7 allows remote authenticated users to take over the application via HTTP. Oracle has not published the affected file, function, request parameter, or incorrect operation in the Helpdesk/Training component. Exploitation requires a low-privileged account and HTTP access, and success grants full control of the Self Service application.

The record

CVE
CVE-2026-83212
Published
Sep 15, 2026
Updated
Sep 15, 2026
Vendor
Oracle Corporation
Product
Siebel Self Service
Classifications
T1190
Attack vector
network
Privileges
authenticated

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

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Is a vulnerable build present?

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

  1. Affected versionversion=17.0 <=26.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Oracle Corporation · Siebel Self Serviceversion=17.0 <=26.7

Published CVSS scores

8.8Oracle CorporationCVSS:3.1/AV:N/AC:L/PR:L/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.

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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
Privilegesauthenticated
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

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Your stack

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