# CVE-2026-91473: CVE-2026-91473

Status: published. Published: 2026-10-20. Updated: 2026-11-10.

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).

## Remediation

No remediation reported in collected sources

## Affected products and versions

- oracle / http_server: 12.2.1.4.0 (affected, custom). Source: NVD

## NVD configuration conditions

Affected CPE matches depend on the following AND/OR and negation conditions:

```json
[
  {
    "negate": false,
    "nodes": [
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:oracle:http_server:12.2.1.4.0:*:*:*:*:*:*:*",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ],
    "operator": "OR"
  }
]
```

## Severity and prioritization

- CVSS 3.1: 7.8 (high); CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H; source: NVD: secalert_us@oracle.com

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: exploitation none; automatable no; technical impact total; source NVD SSVC: 134c704f-9b21-4f2e-91b3-4a467353bcc0

- Weaknesses: CWE-269

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://www.oracle.com/security-alerts/cpuoct2026.html (secalert_us@oracle.com; Vendor Advisory)

## Provenance

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-91473; retrieved 2026-11-10; source updated 2026-11-10

Revision: cf26e7f6f740d8e240de794f7905e132a3a9a0ad588bdd64e19fa886443c86e6

Canonical: https://y2.dev/cve/CVE-2026-91473

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