SB20261110184 - Multiple vulnerabilities in Oracle WebCenter Content



SB20261110184 - Multiple vulnerabilities in Oracle WebCenter Content

Published: November 10, 2026

Security Bulletin ID SB20261110184
CSH Severity
High
Patch available
YES
Number of vulnerabilities 18
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 6% Medium 78% Low 17%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 18 vulnerabilities.


1) Improper input validation (CVE-ID: CVE-2026-87373)

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

CVSSv4: 8.3 [CVSS:4.0/AV:N/AC:L/AT:P/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 Content Server component in Oracle WebCenter Content. A remote non-authenticated attacker can exploit this vulnerability to read and manipulate data.


2) Improper input validation (CVE-ID: CVE-2026-91495)

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 Content Server component in Oracle WebCenter Content. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.


3) Improper input validation (CVE-ID: CVE-2026-91504)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 7.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote authenticated user to execute arbitrary code.

The vulnerability exists due to improper input validation within the Content Portal Suite component in Oracle WebCenter Content. A remote authenticated user can exploit this vulnerability to execute arbitrary code.


4) Improper input validation (CVE-ID: CVE-2026-87400)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 5.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/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 Content Server component in Oracle WebCenter Content. A remote non-authenticated attacker can exploit this vulnerability to read and manipulate data.


5) Improper input validation (CVE-ID: CVE-2026-87374)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 7.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/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 Content Server component in Oracle WebCenter Content. A remote authenticated user can exploit this vulnerability to read and manipulate data.


6) Improper input validation (CVE-ID: CVE-2026-87371)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 7.6 [CVSS:4.0/AV:A/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 Content Server component in Oracle WebCenter Content. A remote non-authenticated attacker can exploit this vulnerability to read and manipulate data.


7) Improper input validation (CVE-ID: CVE-2026-87298)

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 Content Server component in Oracle WebCenter Content. A remote authenticated user can exploit this vulnerability to gain access to sensitive information.


8) Improper input validation (CVE-ID: CVE-2026-87365)

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:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote authenticated user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Content Server component in Oracle WebCenter Content. A remote authenticated user can exploit this vulnerability to perform a denial of service (DoS) attack.


9) Improper input validation (CVE-ID: CVE-2026-87370)

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

CVSSv4: 5.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/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 Content Server component in Oracle WebCenter Content. A remote authenticated user can exploit this vulnerability to read and manipulate data.


10) Improper input validation (CVE-ID: CVE-2026-91261)

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

CVSSv4: 2.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/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 Content Server component in Oracle WebCenter Content. A remote authenticated user can exploit this vulnerability to gain access to sensitive information.


11) Improper input validation (CVE-ID: CVE-2026-91210)

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

CVSSv4: 5.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/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 Content Server component in Oracle WebCenter Content. A remote authenticated user can exploit this vulnerability to read and manipulate data.


12) Improper input validation (CVE-ID: CVE-2026-87372)

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 Content Server component in Oracle WebCenter Content. A local authenticated user can exploit this vulnerability to gain access to sensitive information.


13) Improper input validation (CVE-ID: CVE-2026-87399)

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

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:H/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 Content Server component in Oracle WebCenter Content. A remote authenticated user can exploit this vulnerability to read and manipulate data.


14) Improper input validation (CVE-ID: CVE-2026-87299)

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 Content Server component in Oracle WebCenter Content. A remote non-authenticated attacker can exploit this vulnerability to read and manipulate data.


15) Improper input validation (CVE-ID: CVE-2026-87390)

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:L/SC:N/SI:N/SA:N]


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

The vulnerability exists due to improper input validation within the Content Server component in Oracle WebCenter Content. A remote non-authenticated attacker can exploit this vulnerability to manipulate or delete data.


16) Improper input validation (CVE-ID: CVE-2026-91262)

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: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 Content Server component in Oracle WebCenter Content. A remote non-authenticated attacker can exploit this vulnerability to read and manipulate data.


17) Improper input validation (CVE-ID: CVE-2026-87360)

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

CVSSv4: 5.6 [CVSS:4.0/AV:L/AC:L/AT:P/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 Content Server component in Oracle WebCenter Content. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.


18) Improper input validation (CVE-ID: CVE-2026-87361)

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:N/VI:L/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote authenticated user to manipulate data.

The vulnerability exists due to improper input validation within the Content Server component in Oracle WebCenter Content. A remote authenticated user can exploit this vulnerability to manipulate data.


Remediation

Install update from vendor's website.