Vulnerability in Oracle HTTP Server of Oracle Fusion Middleware
CVE-2026-91419

7.8HIGH

Key Information:

Vendor

Oracle
Status
Oracle Http Server
Vendor
CVE Published:
20 October 2026

What is CVE-2026-91419?

An exploitable vulnerability exists in the Oracle HTTP Server component of Oracle Fusion Middleware, specifically within the OSSL Module. Attackers with low privileges who have access to the environment where the Oracle HTTP Server operates may exploit this flaw to take control of the server. Successful exploitation can compromise the server's functionality, leading to significant risks concerning confidentiality, integrity, and availability. Organizations using version 12.2.1.4.0 must apply necessary updates and security measures to mitigate these risks.

Affected Version(s)

Oracle HTTP Server 12.2.1.4.0

References

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

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.