CVE-2026-101508

Analyzed Analyzed - Analysis Complete

Denial of Service in Oracle Siebel CRM Integration

Publication date: 2026-10-20

Last updated on: 2026-11-05

Assigner: Oracle

Description

Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM (component: EAI). Supported versions that are affected are 17.0-26.9. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM Integration. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Siebel CRM Integration. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

CVSS Scores

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Meta Information

Published

2026-10-20

Last Modified

2026-11-05

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-101508

EUVD

EUVD-2026-105923

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	siebel_crm	From 17.0 (inc) to 26.9 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-400	The product does not properly control the allocation and maintenance of a limited resource.

Attack-Flow Graph

Executive Summary

This is a denial-of-service (DoS) vulnerability in Oracle Siebel CRM Integration versions 17.0 to 26.9. An unauthenticated attacker can exploit it remotely via HTTP to cause the system to hang or crash repeatedly, making it unavailable.

Detection Guidance

Detecting this vulnerability requires checking for vulnerable versions of Oracle Siebel CRM Integration (17.0-26.9) exposed via HTTP. Inspect network traffic for unusual HTTP requests targeting Siebel CRM Integration components. Use vulnerability scanners like Nessus or OpenVAS to scan for CVE-2026-101508. Check server logs for repeated crashes or hangs in Siebel CRM Integration processes.

Impact Analysis

If you use affected versions of Oracle Siebel CRM Integration, an attacker could disrupt service, causing downtime and preventing legitimate users from accessing the system.

Compliance Impact

This vulnerability causes denial-of-service (DoS) conditions in Oracle Siebel CRM Integration, leading to system unavailability. Compliance standards like GDPR and HIPAA require data availability and integrity; prolonged downtime could violate these requirements by preventing access to critical data.

Mitigation Strategies

Apply the latest Oracle Siebel CRM patches immediately to upgrade to a non-vulnerable version. Restrict HTTP access to Siebel CRM Integration via network firewalls or web application firewalls. Monitor system performance for signs of denial-of-service attacks. Consider isolating affected systems from untrusted networks until patched.

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