CVE-2026-91536

Status: Awaiting AnalysisMedium (5)—
Severity5Medium · CVSS 3.1
Exploitation probability0.21 %higher than 11% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

Vulnerability in the Oracle SOA Suite product of Oracle Fusion Middleware (component: Fabric Layer). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTPS to compromise Oracle SOA Suite. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle SOA Suite accessible data as well as unauthorized read access to a subset of Oracle SOA Suite accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle SOA Suite. CVSS 3.1 Base Score 5.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L).

CVSS

Base score
5
Version
3.1
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
0.21 %
Percentile among all scored CVEs
11
Score date
10/21/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

El vector AV:N/PR:L/UI:N exige privilegios bajos por red (T1210); la descripción cita modificación, lectura parcial de datos y DoS parcial de Oracle SOA Suite.

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

ATT&CK mitigations that cover these techniques

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

References

Show 1 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2026-91536",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "secalert_us@oracle.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "LOW",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 3.4,
        "exploitabilityScore": 1.6
      }
    ]
  },
  "affected": [
    {
      "source": "secalert_us@oracle.com",
      "affectedData": [
        {
          "vendor": "Oracle Corporation",
          "product": "Oracle SOA Suite",
          "versions": [
            {
              "status": "affected",
              "version": "12.2.1.4.0",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "14.1.2.0.0",
              "versionType": "semver"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-10-20T22:20:57.300",
  "references": [
    {
      "url": "https://www.oracle.com/security-alerts/cpuoct2026.html",
      "source": "secalert_us@oracle.com"
    }
  ],
  "vulnStatus": "Awaiting Analysis",
  "descriptions": [
    {
      "lang": "en",
      "value": "Vulnerability in the Oracle SOA Suite product of Oracle Fusion Middleware (component: Fabric Layer).  Supported versions that are affected are 12.2.1.4.0 and  14.1.2.0.0. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTPS to compromise Oracle SOA Suite.  Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Oracle SOA Suite accessible data as well as  unauthorized read access to a subset of Oracle SOA Suite accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle SOA Suite. CVSS 3.1 Base Score 5.0 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L)."
    }
  ],
  "lastModified": "2026-10-21T18:44:55.490",
  "sourceIdentifier": "secalert_us@oracle.com"
}