CVE-2026-34659

{
  "id": "CVE-2026-34659",
  "sourceIdentifier": "[email protected]",
  "published": "2026-05-12T19:16:30.800",
  "lastModified": "2026-10-26T18:10:00.173",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Adobe Connect versions 2025.9.15, 2025.8.157 and earlier are affected by a Deserialization of Untrusted Data vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could exploit this vulnerability to execute arbitrary code. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed."
    },
    {
      "lang": "es",
      "value": "Las versiones 2025.9.15, 2025.8.157 y anteriores de Adobe Connect se ven afectadas por una vulnerabilidad de deserialización de datos no confiables que podría resultar en la ejecución de código arbitrario en el contexto del usuario actual. Un atacante podría explotar esta vulnerabilidad para ejecutar código arbitrario. La explotación de este problema requiere la interacción del usuario, ya que la víctima debe visitar una URL creada con fines maliciosos o interactuar con una página web comprometida. El alcance ha cambiado."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Adobe",
          "product": "Adobe Connect",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "lessThanOrEqual": "12.11",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "12.11.1",
              "versionType": "semver",
              "status": "unaffected"
            }
          ]
        },
        {
          "vendor": "Adobe",
          "product": "Adobe Connect Desktop Application",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "lessThanOrEqual": "2025.9.15 (Win), 2025.8.157 (Mac)",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "2026.3.125 (Win), 2026.01.39 (Mac)",
              "versionType": "custom",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
          "baseScore": 9.6,
          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 6.0
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-05-13T03:58:20.784530Z",
          "id": "CVE-2026-34659",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-502"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:adobe:connect_desktop_application:*:*:*:*:*:macos:*:*",
              "versionEndIncluding": "2025.8.157",
              "matchCriteriaId": "B8B6BA67-FDEA-44F6-8DE0-DEBFE4AFF51A"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:adobe:connect_desktop_application:2025.9.15:*:*:*:*:windows:*:*",
              "matchCriteriaId": "D2651BDB-FD1C-4608-9AAA-0590E790B515"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://helpx.adobe.com/security/products/connect/apsb26-50.html",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}