CVE-2026-70951Network attack vector

Application takeover via undisclosed access control flaw

Published Aug 18, 2026 · Updated Aug 20, 2026

Access control flaw in Siebel CRM End User Document Management 17.0 through 26.6 allows remote authenticated users to compromise it via HTTP. The public record does not name the affected endpoint or code path; Oracle and NVD disclose only the Document Management component, and CISA-ADP maps the issue to CWE-284 Improper Access Control. Exploitation requires valid low-privilege access over HTTP and is described by Oracle as resulting in complete confidentiality, integrity, and availability compromise of the Siebel CRM End User instance.

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

What happened

Access control flaw in Siebel CRM End User Document Management 17.0 through 26.6 allows remote authenticated users to compromise it via HTTP. The public record does not name the affected endpoint or code path; Oracle and NVD disclose only the Document Management component, and CISA-ADP maps the issue to CWE-284 Improper Access Control. Exploitation requires valid low-privilege access over HTTP and is described by Oracle as resulting in complete confidentiality, integrity, and availability compromise of the Siebel CRM End User instance.

The record

CVE
CVE-2026-70951
Published
Aug 18, 2026
Updated
Aug 20, 2026
Vendor
Oracle
Product
Siebel CRM End User
Classifications
CWE-284
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 18, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 20, 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 privilegesauthenticated

What is affected?

Oracle · Siebel CRM End Userversion=17.0 <=26.6

Published CVSS scores

8.8OracleCVSS: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

CWE-284Improper Access Control

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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