CVE-2026-60803Network attack vector

Unauthenticated read and write of application data

Published Aug 18, 2026 · Updated Aug 18, 2026

Improper access control in Marketing in Oracle Siebel Apps - Marketing 17.0 through 26.6 allows remote attackers to read and modify data via HTTP. Oracle has not disclosed the affected endpoint or code path; the public CNA and advisory records state only that HTTP requests can bypass intended restrictions on reading, creating, deleting, or changing Marketing data. Reachability requires network access to the Siebel Marketing service, and the published CVSS vector confirms confidentiality and integrity impact with no documented service interruption.

CVSS severity7.4
High
EPSS probability0.32%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in Marketing in Oracle Siebel Apps - Marketing 17.0 through 26.6 allows remote attackers to read and modify data via HTTP. Oracle has not disclosed the affected endpoint or code path; the public CNA and advisory records state only that HTTP requests can bypass intended restrictions on reading, creating, deleting, or changing Marketing data. Reachability requires network access to the Siebel Marketing service, and the published CVSS vector confirms confidentiality and integrity impact with no documented service interruption.

The record

CVE
CVE-2026-60803
Published
Aug 18, 2026
Updated
Aug 18, 2026
Vendor
Oracle
Product
Siebel Marketing
Classifications
T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 18, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 18, 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 <=26.6

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Oracle · Siebel Marketingversion=17.0 <=26.6

Published CVSS scores

7.4OracleCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/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
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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