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CVE-2026-91338

Status: ReceivedHigh (7.1)—
Severity7.1High · CVSS 3.1
Exploitation probability0.22 %higher than 12% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

Vulnerability in the iSupport product of Oracle E-Business Suite (component: Internal operations). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise iSupport. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all iSupport accessible data as well as unauthorized read access to a subset of iSupport accessible data. CVSS 3.1 Base Score 7.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N).

CVSS

Base score
7.1
Version
3.1
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
0.22 %
Percentile among all scored CVEs
12
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.

Requiere privilegios bajos y acceso de red por HTTP (AV:N/PR:L), lo que sitúa la explotación en T1210; el texto describe creación, borrado y modificación no autorizados de datos (I:H).

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

Network SegmentationEncrypt Sensitive InformationVulnerability ScanningUser TrainingUser Account ManagementThreat Intelligence Program

Affected technologies (1)

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

Oracle — E-business SuiteAI

References

Show 1 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2026-91338",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "secalert_us@oracle.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.1,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 4.2,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "secalert_us@oracle.com",
      "affectedData": [
        {
          "vendor": "Oracle Corporation",
          "product": "iSupport",
          "versions": [
            {
              "status": "affected",
              "version": "12.2.3",
              "versionType": "custom",
              "lessThanOrEqual": "12.2.15"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-10-20T22:20:36.123",
  "references": [
    {
      "url": "https://www.oracle.com/security-alerts/cpuoct2026.html",
      "source": "secalert_us@oracle.com"
    }
  ],
  "vulnStatus": "Received",
  "descriptions": [
    {
      "lang": "en",
      "value": "Vulnerability in the iSupport product of Oracle E-Business Suite (component: Internal operations).  Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise iSupport.  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all iSupport accessible data as well as  unauthorized read access to a subset of iSupport accessible data. CVSS 3.1 Base Score 7.1 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N)."
    }
  ],
  "lastModified": "2026-10-20T22:20:36.123",
  "sourceIdentifier": "secalert_us@oracle.com"
}