CVE-2026-41688

{
  "id": "CVE-2026-41688",
  "sourceIdentifier": "[email protected]",
  "published": "2026-05-07T15:16:09.253",
  "lastModified": "2026-10-26T00:10:00.150",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Wallos is an open-source, self-hostable personal subscription tracker. In versions 4.8.4 and prior, the incomplete SSRF fix in Wallos validates webhook URLs via gethostbyname() but passes the original hostname to cURL without CURLOPT_RESOLVE pinning on 10 of 11 outbound HTTP endpoints, leaving a DNS rebinding TOCTOU window. At time of publication, there are no publicly available patches."
    },
    {
      "lang": "es",
      "value": "Wallos es un rastreador de suscripciones personal de código abierto y autoalojable. En las versiones 4.8.4 y anteriores, la corrección incompleta de SSRF en Wallos valida las URL de webhook a través de gethostbyname() pero pasa el nombre de host original a cURL sin fijar CURLOPT_RESOLVE en 10 de 11 puntos finales HTTP salientes, dejando una ventana TOCTOU de reencuadernación de DNS. En el momento de la publicación, no hay parches disponibles públicamente."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "ellite",
          "product": "Wallos",
          "versions": [
            {
              "version": "<= 4.8.4",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
          "baseScore": 7.7,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 3.1,
        "impactScore": 4.0
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-05-07T14:55:36.569657Z",
          "id": "CVE-2026-41688",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-918"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/ellite/Wallos/commit/e87387f0ebb540cd33e6dfda7181db9db650ecef",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/ellite/Wallos/security/advisories/GHSA-h4g7-xv3v-q73g",
      "source": "[email protected]"
    }
  ]
}