Improper privilege management in Oracle HTTP Server Web Listener
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-269.
Summary
Oracle HTTP Server in Oracle Fusion Middleware, component Web Listener, version 12.2.1.4.0 is affected. The flaw is improper privilege management (CWE-269). An easily exploitable flaw lets a low privileged attacker with logon to the infrastructure where Oracle HTTP Server runs compromise the server, and successful attacks can result in takeover of Oracle HTTP Server.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
Vulnerability in the Oracle HTTP Server product of Oracle Fusion Middleware (component: Web Listener). The supported version that is affected is 12.2.1.4.0. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle HTTP Server executes to compromise Oracle HTTP Server. Successful attacks of this vulnerability can result in takeover of Oracle HTTP Server. CVSS 3.1 Base Score 7.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
The sources list no fixed version for Oracle HTTP Server.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Oracle HTTP Server — oracle.com/security-alerts/cpuoct2026.html
4 records Highest priority Priority MEDIUM 2 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2026-77187 Sensitive information exposure in Oracle HTTP Server OSSL modulePriority MEDIUM 43
- TI-2026-77186 Information exposure in Oracle HTTP Server WebLogic Proxy Plug-inPriority MEDIUM 40
- TI-2026-77475 Improper privilege management in Oracle HTTP Server OSSL ModulePriority LOW 35
Timeline
- 2026-10-21 Threatist record created from CVE-2026-91473
- 2026-10-21 Alias added: GHSA-cmm6-3pcp-j657
- 2026-10-22 Priority changed: MEDIUM → LOW
- 2026-10-24 Weakness changed · CISA ADP
- 2026-10-24 CISA SSVC decision points changed
References
Advisory 1
More Oracle vulnerabilities
- TI-2026-34425 Improper privilege management in Oracle Payments KEVCVSS 3.1CRITICAL 9.8
- TI-2026-27421 Missing authentication in Oracle PeopleSoft Enterprise PeopleTools KEVCVSS 3.1CRITICAL 9.8
- TI-2026-17661 Improper access control in Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in KEVCVSS 3.1CRITICAL 10.0
- TI-2025-38252 Improper authentication in Oracle Concurrent Processing KEVCVSS 3.1CRITICAL 9.8
- TI-2025-38151 Missing authentication in Oracle Identity Manager KEVCVSS 3.1CRITICAL 9.8
- TI-2022-07142 Code injection in Spring Framework KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-91473 · CVE Program
- CVE-2026-91473 · NVD
- FIRST EPSS
- GHSA-cmm6-3pcp-j657 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences