SB2026110876 - Multiple vulnerabilities in Oracle WebCenter Portal

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Main Vulnerability Database SB2026110876

SB2026110876 - Multiple vulnerabilities in Oracle WebCenter Portal

Published: November 8, 2026

Security Bulletin ID SB2026110876
CSH Severity
High
Patch available
YES
Number of vulnerabilities 24
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 71% Medium 29%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 24 vulnerabilities.


1) Improper input validation (CVE-ID: CVE-2026-73949)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/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 Portlet Services component in Oracle WebCenter Portal. A remote authenticated user can exploit this vulnerability to execute arbitrary code.


2) Improper input validation (CVE-ID: CVE-2026-73948)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/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 Composer component in Oracle WebCenter Portal. A remote authenticated user can exploit this vulnerability to execute arbitrary code.


3) Improper input validation (CVE-ID: CVE-2026-83039)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/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 Composer component in Oracle WebCenter Portal. A remote authenticated user can exploit this vulnerability to execute arbitrary code.


4) Improper input validation (CVE-ID: CVE-2026-73956)

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


5) Improper input validation (CVE-ID: CVE-2026-73953)

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 Portlet Services component in Oracle WebCenter Portal. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.


6) Improper input validation (CVE-ID: CVE-2026-73963)

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 Portlet Services component in Oracle WebCenter Portal. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.


7) Improper input validation (CVE-ID: CVE-2026-83043)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/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 Composer component in Oracle WebCenter Portal. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.


8) Improper input validation (CVE-ID: CVE-2026-83040)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/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 Portlet Services component in Oracle WebCenter Portal. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.


9) Improper input validation (CVE-ID: CVE-2026-73957)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/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 Portlet Services component in Oracle WebCenter Portal. A remote non-authenticated attacker can exploit this vulnerability to read and manipulate data.


10) Improper input validation (CVE-ID: CVE-2026-73952)

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


11) Improper input validation (CVE-ID: CVE-2026-83064)

CWE-ID: CWE-20 - Improper input validation

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


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

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


12) Improper input validation (CVE-ID: CVE-2026-73959)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/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 Composer component in Oracle WebCenter Portal. A remote authenticated user can exploit this vulnerability to execute arbitrary code.


13) Improper input validation (CVE-ID: CVE-2026-83050)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/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 Runtime Tools component in Oracle WebCenter Portal. A remote authenticated user can exploit this vulnerability to read and manipulate data.


14) Improper input validation (CVE-ID: CVE-2026-83053)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/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 Runtime Tools component in Oracle WebCenter Portal. A remote authenticated user can exploit this vulnerability to execute arbitrary code.


15) Improper input validation (CVE-ID: CVE-2026-83045)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/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 Runtime Tools component in Oracle WebCenter Portal. A remote authenticated user can exploit this vulnerability to read and manipulate data.


16) Improper input validation (CVE-ID: CVE-2026-83049)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/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 Security Framework component in Oracle WebCenter Portal. A remote authenticated user can exploit this vulnerability to read and manipulate data.


17) Improper input validation (CVE-ID: CVE-2026-83047)

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


18) Improper input validation (CVE-ID: CVE-2026-73951)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/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 Portlet Services component in Oracle WebCenter Portal. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.


19) Improper input validation (CVE-ID: CVE-2026-83041)

CWE-ID: CWE-20 - Improper input validation

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 Portlet Services component in Oracle WebCenter Portal. A remote authenticated user can exploit this vulnerability to gain access to sensitive information.


20) Improper input validation (CVE-ID: CVE-2026-83048)

CWE-ID: CWE-20 - Improper input validation

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


21) Improper input validation (CVE-ID: CVE-2026-83052)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N]


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

The vulnerability exists due to improper input validation within the Runtime Tools component in Oracle WebCenter Portal. A remote privileged user can exploit this vulnerability to read and manipulate data.


22) Improper input validation (CVE-ID: CVE-2026-83051)

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


23) Improper input validation (CVE-ID: CVE-2026-83065)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 7.7 [CVSS:4.0/AV:A/AC:L/AT:P/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 Runtime Tools component in Oracle WebCenter Portal. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.


24) Improper input validation (CVE-ID: CVE-2026-83046)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:L/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 Runtime Tools component in Oracle WebCenter Portal. A remote authenticated user can exploit this vulnerability to read and manipulate data.


Remediation

Install update from vendor's website.

References