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CVE-2026-33576

Estado: AnalizadaMedia (6.9)—

OpenClaw before 2026.3.28 downloads and stores inbound media from Zalo channels before validating sender authorization. Unauthorized senders can force network fetches and disk writes to the media store by sending messages that are subsequently rejected.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Openclaw — Openclaw

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2026-33576",
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          "options": [
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              "exploitation": "none"
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              "automatable": "yes"
            },
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              "technicalImpact": "partial"
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          "version": "2.0.3",
          "timestamp": "2026-04-02T15:11:13.554545Z"
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          "version": "3.1",
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          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
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        "exploitabilityScore": 3.9
      }
    ],
    "cvssMetricV40": [
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        "type": "Secondary",
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        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
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          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/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",
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          "subIntegrityImpact": "NONE",
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          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
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          "availabilityRequirement": "NOT_DEFINED",
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          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
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      "affectedData": [
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          "vendor": "OpenClaw",
          "product": "OpenClaw",
          "versions": [
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              "version": "0",
              "lessThan": "2026.3.28",
              "versionType": "semver"
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  "published": "2026-03-31T15:16:14.327",
  "references": [
    {
      "url": "https://github.com/openclaw/openclaw/commit/68ceaf7a5f64a23e78b95eff055e4b497218312a",
      "tags": [
        "Patch"
      ],
      "source": "disclosure@vulncheck.com"
    },
    {
      "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-v2v2-f783-358j",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "disclosure@vulncheck.com"
    },
    {
      "url": "https://www.vulncheck.com/advisories/openclaw-unauthorized-media-download-via-zalo-channel",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "disclosure@vulncheck.com"
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  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "type": "Secondary",
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      "description": [
        {
          "lang": "en",
          "value": "CWE-863"
        }
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  ],
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      "lang": "en",
      "value": "OpenClaw before 2026.3.28 downloads and stores inbound media from Zalo channels before validating sender authorization. Unauthorized senders can force network fetches and disk writes to the media store by sending messages that are subsequently rejected."
    },
    {
      "lang": "es",
      "value": "OpenClaw anterior a 2026.3.28 descarga y almacena medios entrantes de canales de Zalo antes de validar la autorización del remitente. Remitentes no autorizados pueden forzar recuperaciones de red y escrituras en disco al almacén de medios enviando mensajes que son posteriormente rechazados."
    }
  ],
  "lastModified": "2026-07-24T21:10:00.143",
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        {
          "negate": false,
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              "versionEndExcluding": "2026.3.28"
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}