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CVE-2026-87343

Status: Undergoing AnalysisMedium (4.8)—
Severity4.8Medium · 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 PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Portal). Supported versions that are affected are 8.61-8.63. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise PeopleSoft Enterprise PeopleTools. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of PeopleSoft Enterprise PeopleTools accessible data as well as unauthorized read access to a subset of PeopleSoft Enterprise PeopleTools accessible data. CVSS 3.1 Base Score 4.8 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N).

CVSS

Base score
4.8
Version
3.1
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
0.22 %
Percentile among all scored CVEs
12
Score date
10/22/2026

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.

Vector AV:N/PR:N/UI:N sin autenticación por HTTP; el texto describe modificación, inserción y borrado de datos no autorizados, y lectura no autorizada de un subconjunto de datos.

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 SegmentationVulnerability ScanningRestrict File and Directory PermissionsPrivileged Account ManagementRemote Data StorageLimit Access to Resource Over Network

Affected technologies (1)

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

Oracle — Peoplesoft Enterprise PeopletoolsAI

References

Show 1 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2026-87343",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "secalert_us@oracle.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.8,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.5,
        "exploitabilityScore": 2.2
      }
    ]
  },
  "affected": [
    {
      "source": "secalert_us@oracle.com",
      "affectedData": [
        {
          "vendor": "Oracle Corporation",
          "product": "PeopleSoft Enterprise PeopleTools",
          "versions": [
            {
              "status": "affected",
              "version": "8.61",
              "versionType": "custom",
              "lessThanOrEqual": "8.63"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-10-20T22:20:11.910",
  "references": [
    {
      "url": "https://www.oracle.com/security-alerts/cpuoct2026.html",
      "source": "secalert_us@oracle.com"
    }
  ],
  "vulnStatus": "Undergoing Analysis",
  "descriptions": [
    {
      "lang": "en",
      "value": "Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Portal).  Supported versions that are affected are 8.61-8.63. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise PeopleSoft Enterprise PeopleTools.  Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of PeopleSoft Enterprise PeopleTools accessible data as well as  unauthorized read access to a subset of PeopleSoft Enterprise PeopleTools accessible data. CVSS 3.1 Base Score 4.8 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N)."
    }
  ],
  "lastModified": "2026-10-21T18:44:19.627",
  "sourceIdentifier": "secalert_us@oracle.com"
}