CVE-2026-70855

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-70855
StatePUBLISHED
Assigneroracle
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-18 21:17:41 UTC
Updated2026-08-20 13:07:28 UTC
DescriptionVulnerability in the Siebel Apps - Self Service product of Oracle Siebel CRM (component: Helpdesk/Training). Supported versions that are affected are 17.0-26.6. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel Apps - Self Service. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Siebel Apps - Self Service, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel Apps - Self Service accessible data as well as unauthorized access to critical data or complete access to all Siebel Apps - Self Service accessible data. CVSS 3.1 Base Score 9.3 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N).

Risk And Classification

Primary CVSS: v3.1 9.3 CRITICAL from [email protected]

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

EPSS: 0.003520000 probability, percentile 0.285060000 (date 2026-08-22)

Problem Types: Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel Apps - Self Service. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Siebel Apps - Self Service, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel Apps - Self Service accessible data as well as unauthorized access to critical data or complete access to all Siebel Apps - Self Service accessible data.

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary9.3CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
3.1CNADECLARED9.3CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Oracle Corporation Siebel Apps - Self Service affected 17.0 26.6 custom Not specified

References

ReferenceSourceLinkTags
www.oracle.com/security-alerts/cspuaug2026.html [email protected] www.oracle.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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