SB20261110220 - Multiple vulnerabilities in Siebel CRM End User



SB20261110220 - Multiple vulnerabilities in Siebel CRM End User

Published: November 10, 2026

Security Bulletin ID SB20261110220
CSH Severity
High
Patch available
YES
Number of vulnerabilities 16
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 13% Medium 56% Low 31%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 16 vulnerabilities.


1) Improper input validation (CVE-ID: CVE-2026-91393)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 1.8 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote non-authenticated attacker to manipulate data.

The vulnerability exists due to improper input validation within the Open UI component in Siebel CRM End User. A remote non-authenticated attacker can exploit this vulnerability to manipulate data.


2) Improper input validation (CVE-ID: CVE-2026-91392)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote non-authenticated attacker to manipulate data.

The vulnerability exists due to improper input validation within the Open UI component in Siebel CRM End User. A remote non-authenticated attacker can exploit this vulnerability to manipulate data.


3) Improper input validation (CVE-ID: CVE-2026-91391)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The vulnerability exists due to improper input validation within the Open UI component in Siebel CRM End User. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.


4) Improper input validation (CVE-ID: CVE-2026-91428)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote non-authenticated attacker to manipulate data.

The vulnerability exists due to improper input validation within the Open UI component in Siebel CRM End User. A remote non-authenticated attacker can exploit this vulnerability to manipulate data.


5) Improper input validation (CVE-ID: CVE-2026-91388)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The vulnerability exists due to improper input validation within the Open UI component in Siebel CRM End User. A remote non-authenticated attacker can exploit this vulnerability to read and manipulate data.


6) Use of Non-Canonical URL Paths for Authorization Decisions (CVE-ID: CVE-2026-8384)

CWE-ID: CWE-647 - Use of Non-Canonical URL Paths for Authorization Decisions

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to bypass path-based security constraints.

The vulnerability exists due to use of non-canonical url paths for authorization decisions in org.eclipse.jetty.util.URIUtil.canonicalPath() when processing request paths containing semicolon path parameters followed by slash-dot segments. A remote attacker can send a specially crafted request path to bypass path-based security constraints.

This can occur when Jetty SecurityHandler.PathMapped is used to protect a path prefix such as /admin/*, causing the non-normalized canonical path to be matched against security constraints.


7) Improper input validation (CVE-ID: CVE-2026-91390)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 4.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote authenticated user to read and manipulate data.

The vulnerability exists due to improper input validation within the Open UI component in Siebel CRM End User. A remote authenticated user can exploit this vulnerability to read and manipulate data.


8) Improper input validation (CVE-ID: CVE-2026-91389)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 4.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote authenticated user to read and manipulate data.

The vulnerability exists due to improper input validation within the Open UI component in Siebel CRM End User. A remote authenticated user can exploit this vulnerability to read and manipulate data.


9) Improper input validation (CVE-ID: CVE-2026-91387)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote authenticated user to read and manipulate data.

The vulnerability exists due to improper input validation within the Open UI component in Siebel CRM End User. A remote authenticated user can exploit this vulnerability to read and manipulate data.


10) Improper input validation (CVE-ID: CVE-2026-91431)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a local authenticated user to gain access to sensitive information.

The vulnerability exists due to improper input validation within the Open UI component in Siebel CRM End User. A local authenticated user can exploit this vulnerability to gain access to sensitive information.


11) Improper input validation (CVE-ID: CVE-2026-91432)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The vulnerability exists due to improper input validation within the Open UI component in Siebel CRM End User. A remote non-authenticated attacker can exploit this vulnerability to read and manipulate data.


12) Improper input validation (CVE-ID: CVE-2026-91412)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote authenticated user to gain access to sensitive information.

The vulnerability exists due to improper input validation within the Open UI component in Siebel CRM End User. A remote authenticated user can exploit this vulnerability to gain access to sensitive information.


13) Improper input validation (CVE-ID: CVE-2026-101467)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 9.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The vulnerability exists due to improper input validation within the Portal Framework component in Siebel CRM End User. A remote non-authenticated attacker can exploit this vulnerability to read and manipulate data.


14) Improper input validation (CVE-ID: CVE-2026-101463)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The vulnerability exists due to improper input validation within the UIF Open UI component in Siebel CRM End User. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.


15) Improper input validation (CVE-ID: CVE-2026-91445)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The vulnerability exists due to improper input validation within the Communications Panel/Dashboard component in Siebel CRM End User. A remote non-authenticated attacker can exploit this vulnerability to read and manipulate data.


16) Improper input validation (CVE-ID: CVE-2026-54906)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

The vulnerability exists due to improper input validation within the Core (Ruby) component in Oracle Communications Unified Assurance. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.


Remediation

Install update from vendor's website.