SB20261110204 - Multiple vulnerabilities in Oracle Service Bus
Published: November 10, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 5 vulnerabilities.
1) Improper input validation (CVE-ID: CVE-2026-87369)
CWE-ID: CWE-20 - Improper input validation
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 non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Core component in Oracle Service Bus. A remote non-authenticated attacker can exploit this vulnerability to perform a denial of service (DoS) attack.
2) Improper input validation (CVE-ID: CVE-2026-87420)
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 Core component in Oracle Service Bus. A remote authenticated user can exploit this vulnerability to execute arbitrary code.
3) Improper input validation (CVE-ID: CVE-2026-87419)
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 Core component in Oracle Service Bus. A remote authenticated user can exploit this vulnerability to execute arbitrary code.
4) Improper input validation (CVE-ID: CVE-2026-87364)
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 Core component in Oracle Service Bus. A remote authenticated user can exploit this vulnerability to execute arbitrary code.
5) Improper input validation (CVE-ID: CVE-2026-87359)
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 Core component in Oracle Service Bus. A remote authenticated user can exploit this vulnerability to execute arbitrary code.
Remediation
Install update from vendor's website.