SB20261107272 - Multiple vulnerabilities in Siebel CRM End User

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Main Vulnerability Database SB20261107272

SB20261107272 - Multiple vulnerabilities in Siebel CRM End User

Published: November 7, 2026

Security Bulletin ID SB20261107272
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 vulnerabilities.


1) Improper input validation (CVE-ID: CVE-2026-47032)

CWE-ID: CWE-20 - Improper input validation

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


The vulnerability allows a remote privileged user to perform service disruption.

The vulnerability exists due to improper input validation within the Redwood UI component in Siebel CRM End User. A remote privileged user can exploit this vulnerability to perform service disruption.


2) Cross-site scripting (CVE-ID: CVE-2025-26791)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: 2.3 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:N/SI:L/SA:L]


The disclosed vulnerability allows a remote attacker to perform mutation cross-site scripting (XSS) attacks.

The vulnerability exists due to DOMPurify has an incorrect template literal regular expression. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


3) Path traversal (CVE-ID: CVE-2026-26960)

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences within the tar.extract() function when handling hardlinks inside archives. A remote user can pass a specially crafted archive to the application and read or write files to arbitrary locations on the system. 


4) Memory leak (CVE-ID: CVE-2026-1605)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

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


The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak within the GzipHandler component when parsing HTTP requests. A remote attacker can send specially crafted HTTP requests to the application, force it to leak memory and perform denial of service attack.


Remediation

Install update from vendor's website.

References