CVE-2026-91422

Analyzed Analyzed - Analysis Complete

Siebel CRM Deployment Data Integrity Flaw

Publication date: 2026-10-20

Last updated on: 2026-11-04

Assigner: Oracle

Description

Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). Supported versions that are affected are 17.0-26.9. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel CRM Deployment accessible data. CVSS 3.1 Base Score 5.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N).

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-10-20

Last Modified

2026-11-04

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-91422

EUVD

EUVD-2026-106673

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

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle Siebel CRM Deployment affecting versions 17.0 to 26.9. It allows a low-privileged attacker with network access via HTTP to compromise the system. Successful exploitation could lead to unauthorized creation, deletion, or modification of critical data or all accessible data in Siebel CRM Deployment.

Detection Guidance

Detection of CVE-2026-91422 requires monitoring for unauthorized modifications to Siebel CRM Deployment data. Check server logs for unusual HTTP requests targeting the Siebel CRM Deployment component. Inspect database logs for unexpected data changes or deletions. Ensure low-privileged users are not making administrative-level modifications.

Impact Analysis

An attacker could alter or delete important data in your Siebel CRM Deployment, potentially disrupting business operations or leading to data loss. Since the attack requires only low privileges and network access, it may be exploited without advanced technical skills.

Compliance Impact

This vulnerability could impact compliance with GDPR and HIPAA due to unauthorized modification or deletion of critical data, which may violate integrity requirements. Unauthorized access to or alteration of sensitive personal or health data could lead to non-compliance with data protection regulations.

Mitigation Strategies

Apply the latest Oracle Siebel CRM patches or updates for versions 17.0-26.9 to address the vulnerability. Ensure network access controls restrict HTTP access to trusted sources only. Monitor Siebel CRM Deployment logs for unauthorized data modifications or deletions.

Hi! I’m here to help you understand CVE-2026-91422. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70

EPSS Chart

Security Radar

News mentioning this vulnerability

Loading related security news...