CVE-2026-47036Network attack vector

Unauthenticated application takeover

Published Jul 21, 2026 · Updated Jul 21, 2026

An undisclosed flaw in Oracle Siebel CRM Development 17.0 through 26.3 allows remote attackers to take over the application via HTTP. Oracle identifies the locus as the Siebel Approval Manager component but has not published the faulty operation or crafted request. No credentials or user interaction are required, and successful exploitation grants complete control over application data and service operation.

CVSS severity9.8
Critical
EPSS probability0.51%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

An undisclosed flaw in Oracle Siebel CRM Development 17.0 through 26.3 allows remote attackers to take over the application via HTTP. Oracle identifies the locus as the Siebel Approval Manager component but has not published the faulty operation or crafted request. No credentials or user interaction are required, and successful exploitation grants complete control over application data and service operation.

The record

CVE
CVE-2026-47036
Published
Jul 21, 2026
Updated
Jul 21, 2026
Vendor
Oracle
Product
Siebel CRM Development
Classifications
T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 21, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 21, 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 <=26.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Oracle · Siebel CRM Developmentversion=17.0 <=26.3

Published CVSS scores

9.8OracleCVSS:3.1/AV:N/AC:L/PR:N/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1190Exploit Public-Facing Application

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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