CVE-2026-7300

{
  "id": "CVE-2026-7300",
  "sourceIdentifier": "3f572a00-62e2-4423-959a-7ea25eff1638",
  "published": "2026-06-17T18:18:05.753",
  "lastModified": "2026-10-26T00:10:00.150",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in RTI Connext Professional (Web Integration Service) allows Filter Failure through Buffer Overflow. This issue affects Connext Professional: from 7.4.0 before 7.7.0.1, from 7.0.0 before 7.3.1.3, from 6.1.2 before 6.1.*."
    },
    {
      "lang": "es",
      "value": "Copia de búfer sin verificar el tamaño de la entrada (’Desbordamiento de búfer clásico’) vulnerabilidad en RTI Connext Professional (Web Integration Service) permite Fallo de Filtro a través de Desbordamiento de Búfer. Este problema afecta a Connext Professional: desde 7.4.0 antes de 7.*, desde 7.0.0 antes de 7.3.1.3, desde 6.1.2 antes de 6.1.*."
    }
  ],
  "affected": [
    {
      "source": "3f572a00-62e2-4423-959a-7ea25eff1638",
      "affectedData": [
        {
          "vendor": "RTI",
          "product": "Connext Professional",
          "defaultStatus": "unaffected",
          "packageName": "connext_professional",
          "modules": [
            "Web Integration Service"
          ],
          "packageURL": "pkg:generic/connext_professional",
          "versions": [
            {
              "version": "7.4.0",
              "lessThan": "7.7.0.1",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "7.0.0",
              "lessThan": "7.3.1.3",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "6.1.2",
              "lessThan": "6.1.*",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV40": [
      {
        "source": "3f572a00-62e2-4423-959a-7ea25eff1638",
        "type": "Secondary",
        "cvssData": {
          "version": "4.0",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "vulnConfidentialityImpact": "LOW",
          "vulnIntegrityImpact": "LOW",
          "vulnAvailabilityImpact": "HIGH",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "subAvailabilityImpact": "NONE",
          "exploitMaturity": "NOT_DEFINED",
          "confidentialityRequirement": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "valueDensity": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-06-17T18:00:26.868901Z",
          "id": "CVE-2026-7300",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "3f572a00-62e2-4423-959a-7ea25eff1638",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "6.1.2",
              "versionEndExcluding": "7.4.0",
              "matchCriteriaId": "21210B58-4B30-4C47-B448-F4CAE754CDBD"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.rti.com/vulnerabilities/#cve-2026-7300",
      "source": "3f572a00-62e2-4423-959a-7ea25eff1638",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}