SB20261110184 - Multiple vulnerabilities in Oracle WebCenter Content
Published: November 10, 2026
Breakdown by Severity
- 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.