SB20261110106 - Multiple vulnerabilities in Oracle Communications Billing and Revenue Management

Description

This security bulletin contains information about 17 vulnerabilities.

1) Improper input validation (CVE-ID: CVE-2026-87297)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

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

The vulnerability exists due to improper input validation within the Platform component in Oracle Communications Billing and Revenue Management. A local privileged user can exploit this vulnerability to execute arbitrary code.

2) Improper input validation (CVE-ID: CVE-2026-101765)

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 BRM Server component in Oracle Communications Billing and Revenue Management. A remote non-authenticated attacker can exploit this vulnerability to read and manipulate data.

3) Improper input validation (CVE-ID: CVE-2026-101758)

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 BRM Server component in Oracle Communications Billing and Revenue Management. A remote non-authenticated attacker can exploit this vulnerability to read and manipulate data.

4) Improper input validation (CVE-ID: CVE-2026-91627)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

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

The vulnerability exists due to improper input validation within the Platform component in Oracle Communications Billing and Revenue Management. A local authenticated user can exploit this vulnerability to execute arbitrary code.

5) Improper input validation (CVE-ID: CVE-2026-101759)

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 BRM Server component in Oracle Communications Billing and Revenue Management. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.

6) Resource exhaustion (CVE-ID: CVE-2026-54399)

CWE-ID: CWE-400 - Resource exhaustion

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 attacker to cause a denial of service.

The vulnerability exists due to uncontrolled resource consumption in the HTTP/1.1 message parser when processing messages with an excessive number of headers or excessive header length. A remote attacker can send a specially crafted HTTP message to cause a denial of service.

The issue leads to memory exhaustion.

7) Resource exhaustion (CVE-ID: CVE-2026-56740)

CWE-ID: CWE-400 - Resource exhaustion

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 attacker to cause a denial of service.

The vulnerability exists due to uncontrolled resource consumption in the TelnetIO.readNEVariables() environment-variable accumulator when processing Telnet NEW-ENVIRON variable pairs. A remote attacker can send a large number of unique variable pairs to exhaust JVM heap memory.

The issue is reachable during Telnet NEW-ENVIRON negotiation before login.

8) Improper input validation (CVE-ID: CVE-2026-101680)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 9.1 [CVSS:4.0/AV:N/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 Platform component in Oracle Communications Billing and Revenue Management. A remote non-authenticated attacker can exploit this vulnerability to read and manipulate data.

9) Improper input validation (CVE-ID: CVE-2026-83406)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

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

The vulnerability exists due to improper input validation within the Platform component in Oracle Communications Billing and Revenue Management. A local privileged user can exploit this vulnerability to execute arbitrary code.

10) Improper input validation (CVE-ID: CVE-2026-91629)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 5.7 [CVSS:4.0/AV:L/AC:L/AT:P/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 Platform component in Oracle Communications Billing and Revenue Management. A local authenticated user can exploit this vulnerability to gain access to sensitive information.

11) Incorrect authorization (CVE-ID: CVE-2026-59889)

CWE-ID: CWE-863 - Incorrect Authorization

CVSSv4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]

The vulnerability allows a remote user to escalate privileges.

The vulnerability exists due to improper access control in UnwrappedPropertyHandler.processUnwrapped() when deserializing @JsonUnwrapped container properties under a less-privileged active view. A remote user can supply crafted JSON values for a property annotated with both @JsonView and @JsonUnwrapped to escalate privileges.

This affects the write-side authorization behavior of @JsonView during deserialization, including merge and builder-based deserialization paths.

12) Improper input validation (CVE-ID: CVE-2026-101606)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/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 BRM Server component in Oracle Communications Billing and Revenue Management. A remote non-authenticated attacker can exploit this vulnerability to read and manipulate data.

13) Improper input validation (CVE-ID: CVE-2026-49844)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]

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

The vulnerability exists due to improper input validation within the Core (Apache Log4j) component in Oracle Communications Unified Assurance. A remote non-authenticated attacker can exploit this vulnerability to manipulate data.

14) Improper input validation (CVE-ID: CVE-2026-91628)

CWE-ID: CWE-20 - Improper input validation

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 BRM Server component in Oracle Communications Billing and Revenue Management. A local authenticated user can exploit this vulnerability to gain access to sensitive information.

15) Improper input validation (CVE-ID: CVE-2026-101764)

CWE-ID: CWE-20 - Improper input validation

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 BRM Server component in Oracle Communications Billing and Revenue Management. A local authenticated user can exploit this vulnerability to gain access to sensitive information.

16) Path traversal (CVE-ID: CVE-2026-8643)

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to pip would treat console_scripts and gui_scripts as paths instead of file names without sanitizing the resolved absolute path to the installation directory, leading to entry points being installed outside the installation directory. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.

17) Improper input validation (CVE-ID: CVE-2026-101807)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/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 BRM Server component in Oracle Communications Billing and Revenue Management. A remote non-authenticated attacker can exploit this vulnerability to read and manipulate data.

Remediation

Install update from vendor's website.

References

• https://www.oracle.com/security-alerts/cpuoct2026.html