SB20261110199 - Multiple vulnerabilities in Oracle WebCenter Portal



SB20261110199 - Multiple vulnerabilities in Oracle WebCenter Portal

Published: November 10, 2026

Security Bulletin ID SB20261110199
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 vulnerabilities.


1) Improper input validation (CVE-ID: CVE-2026-91248)

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: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 Runtime Tools component in Oracle WebCenter Portal. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.


2) Improper input validation (CVE-ID: CVE-2026-91247)

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

CVSSv4: 5.7 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote non-authenticated attacker to modify data and cause limited service disruption.

The vulnerability exists due to improper input validation within the Runtime Tools component in Oracle WebCenter Portal. A remote non-authenticated attacker can exploit this vulnerability to modify data and cause limited service disruption.


3) Improper input validation (CVE-ID: CVE-2026-91246)

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

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/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 Runtime Tools component in Oracle WebCenter Portal. A remote non-authenticated attacker can exploit this vulnerability to read and manipulate data.


4) Improper input validation (CVE-ID: CVE-2026-91245)

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

CVSSv4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/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 Runtime Tools component in Oracle WebCenter Portal. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.


Remediation

Install update from vendor's website.