CVE-2026-83146Network attack vector

Authenticated critical data read and modification

Published Sep 15, 2026 · Updated Sep 15, 2026

Data access and modification flaw in Oracle Siebel CRM End User 17.0 through 26.7 allows remote authenticated users to compromise CRM data. Oracle has not published the faulty Open UI operation or the untrusted input that reaches it. Exploitation requires low privileges, HTTP network access, high attack complexity, and interaction by another person; successful attacks can read, create, delete, or modify all accessible CRM data.

CVSS severity7.7
High
EPSS probability0.28%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Data access and modification flaw in Oracle Siebel CRM End User 17.0 through 26.7 allows remote authenticated users to compromise CRM data. Oracle has not published the faulty Open UI operation or the untrusted input that reaches it. Exploitation requires low privileges, HTTP network access, high attack complexity, and interaction by another person; successful attacks can read, create, delete, or modify all accessible CRM data.

The record

CVE
CVE-2026-83146
Published
Sep 15, 2026
Updated
Sep 15, 2026
Vendor
Oracle
Product
Siebel CRM End User
Classifications
T1565
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 · Siebel CRM End Userversion=17.0 <=26.7

Published CVSS scores

7.7OracleCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N

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

T1565Data Manipulation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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