CVE-2026-62455

Analyzed Analyzed - Analysis Complete

Siebel CRM Cloud Applications Unauthorized Access Vulnerability

Publication date: 2026-08-18

Last updated on: 2026-09-01

Assigner: Oracle

Description

Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager). Supported versions that are affected are 22.3-26.6. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM Cloud Applications. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel CRM Cloud Applications accessible data as well as unauthorized read access to a subset of Siebel CRM Cloud Applications accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Siebel CRM Cloud Applications. CVSS 3.1 Base Score 8.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H).

CVSS Scores

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Meta Information

Published

2026-08-18

Last Modified

2026-09-01

Generated

2026-09-10

AI Q&A

2026-08-19

EPSS Evaluated

2026-09-07

NVD

CVE-2026-62455

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	siebel_crm	From 22.3 (inc) to 26.6 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Attack-Flow Graph

Executive Summary

This vulnerability affects Oracle Siebel CRM Cloud Applications versions 22.3 to 26.6. It allows a low-privileged attacker with network access via HTTP to exploit weaknesses in the Siebel Cloud Manager component. Successful exploitation can lead to unauthorized data manipulation, unauthorized data access, or denial-of-service conditions.

Detection Guidance

Detection of CVE-2026-62455 requires checking for vulnerable versions of Oracle Siebel CRM Cloud Applications (22.3-26.6). Inspect installed versions via application logs or package managers. Monitor network traffic for unusual HTTP requests targeting Siebel Cloud Manager. Enable application-level logging to detect unauthorized data access or modification attempts.

Impact Analysis

If you use Oracle Siebel CRM Cloud Applications versions 22.3 to 26.6, an attacker could create, delete, or modify critical data, read some sensitive data, or crash the system repeatedly, causing downtime. This could disrupt business operations and lead to data breaches.

Compliance Impact

This vulnerability could lead to unauthorized access or modification of sensitive data, which may violate GDPR (data protection) and HIPAA (health information privacy) requirements. Non-compliance risks include legal penalties, fines, and reputational damage.

Mitigation Strategies

Apply the latest security patches from Oracle for Siebel CRM Cloud Applications versions 22.3-26.6. Ensure network access controls restrict HTTP access to only trusted sources. Monitor for unauthorized data modifications or system crashes as potential indicators of exploitation.

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