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CVE-2026-61318: Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM Cloud Applications. Successful attacks of this vulnerability can result in takeover of Siebel CRM Cloud Applications. in Oracle Corporation Siebel CRM Cloud Applications

0
Critical
VulnerabilityCVE-2026-61318cvecve-2026-61318
Published: 08/18/2026 (08/18/2026, 21:00:05 UTC)
Source: CVE Database V5
Vendor/Project: Oracle Corporation
Product: Siebel CRM Cloud Applications

Description

CVE-2026-61318 is a critical vulnerability in Oracle Siebel CRM Cloud Applications, specifically in the Siebel Cloud Manager component. It affects versions from 22.3 through 26.6. The vulnerability allows an unauthenticated attacker with network access via HTTP to fully compromise the application, potentially leading to complete takeover. The CVSS 3.1 base score is 9.8, indicating high severity with impacts on confidentiality, integrity, and availability. Oracle has published a Critical Security Patch Update advisory that includes fixes for this and many other vulnerabilities.

CVSS v3.1

Score 9.8critical

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected software

Oracle Corporation

Siebel CRM Cloud Applications

Affected versions
>=22.3 <=26.6

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/11/2026, 18:32:50 UTC

Technical Analysis

This vulnerability in Oracle Siebel CRM Cloud Applications (Siebel Cloud Manager component) allows an unauthenticated attacker to exploit the system remotely over HTTP without any privileges or user interaction. The flaw is easily exploitable and can lead to full compromise of the affected application. The affected versions are from 22.3 up to and including 26.6. The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges required, no user interaction, and high impact on confidentiality, integrity, and availability. Oracle's August 2026 Critical Security Patch Update advisory addresses this vulnerability among others.

Potential Impact

Successful exploitation can result in complete takeover of Siebel CRM Cloud Applications, impacting confidentiality, integrity, and availability of the system. This could allow attackers to access sensitive data, modify or delete information, and disrupt application availability.

Mitigation Recommendations

Oracle has released security patches as part of the August 2026 Critical Security Patch Update that address this vulnerability. Users should apply these patches promptly to remediate the issue. Oracle strongly recommends running actively-supported versions and applying security updates without delay. No alternative mitigations or workarounds are specified in the advisory.

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Technical Details

Data Version
5.2
Assigner Short Name
oracle
Date Reserved
2026-07-08T15:52:20.747Z
Cvss Version
3.1
State
PUBLISHED
Vendor Advisory Urls
[{"url":"https://www.oracle.com/security-alerts/cspuaug2026.html","vendor":"Oracle"}]

Threat ID: 6a84c9cec6e8be0332bf1080

Added to database: 08/18/2026, 21:08:30 UTC

Last enriched: 09/11/2026, 18:32:50 UTC

Last updated: 10/02/2026, 02:46:05 UTC

Views: 22

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