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6.5

Siebel CRM End User lets remote attacker view data

CVE-2026-91412 · published 15 days ago
Summary

Versions 17.0 through 26.9 of Siebel CRM End User can be tricked by a low‑privilege user on the network into gaining unauthorized access to the system. This could expose critical business information stored in the CRM. Apply the vendor’s security update or upgrade to a protected version as soon as possible.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
oracle corporation siebel crm end user <= 26.9
Original advisory text
Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI). Supported versions that are affected are 17.0-26.9. Easily exploitable vulnerability allows low privileg...
Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI). Supported versions that are affected are 17.0-26.9. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM End User. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel CRM End User accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
6.5 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-284Improper Access Control
Timeline
Published20 Oct 2026
Updated4 Nov 2026
First seen20 Oct 2026
Sources
CVE-2026-91412 · NVD
CVE-2026-91412 · MITRE
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