SB20261110190 - Multiple vulnerabilities in Oracle HTTP Server

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Main Vulnerability Database SB20261110190

SB20261110190 - Multiple vulnerabilities in Oracle HTTP Server

Published: November 10, 2026

Security Bulletin ID SB20261110190
CSH Severity
High
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

High 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 vulnerabilities.


1) Improper input validation (CVE-ID: CVE-2026-91473)

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 Web Listener component in Oracle HTTP Server. A local authenticated user can exploit this vulnerability to execute arbitrary code.


2) Improper input validation (CVE-ID: CVE-2026-91419)

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 OSSL Module component in Oracle HTTP Server. A local authenticated user can exploit this vulnerability to execute arbitrary code.


3) Improper input validation (CVE-ID: CVE-2026-87346)

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 Oracle Weblogic Server Proxy Plug-in for Oracle HTTP Server component in Oracle HTTP Server. A remote non-authenticated attacker can exploit this vulnerability to read and manipulate data.


4) Improper input validation (CVE-ID: CVE-2026-87347)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/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 OSSL Module component in Oracle HTTP Server. A remote authenticated user can exploit this vulnerability to read and manipulate data.


Remediation

Install update from vendor's website.

References