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CVE-2026-59992

Estado: AplazadaMedia (5.4)—

Tina is a headless content management system. Prior to next-tinacms-s3 23.0.4, next-tinacms-dos 23.0.4, next-tinacms-azure 14.0.4, and next-tinacms-cloudinary 26.0.4, the first-party production media adapters pass attacker-controlled object keys to storage SDK upload and delete operations without enforcing the operator's configured mediaRoot. In packages/next-tinacms-s3/src/handlers.ts, createMediaHandler accepts req.query.key for a signed PutObject URL and the DELETE path uses req.query.media as the DeleteObjectCommand key.

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The same missing key-boundary check exists in packages/next-tinacms-dos/src/handlers.ts, packages/next-tinacms-azure/src/handlers.ts, and packages/next-tinacms-cloudinary/src/handlers.ts. An authenticated CMS editor can therefore create or delete objects anywhere the deployment's storage credential can reach, including other tenants' or non-media objects. These issues are fixed in next-tinacms-s3 23.0.4, next-tinacms-dos 23.0.4, next-tinacms-azure 14.0.4, and next-tinacms-cloudinary 26.0.4.

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 (4)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Tinacms — Next-tinacms-azureAITinacms — Next-tinacms-cloudinaryAITinacms — Next-tinacms-dosAITinacms — Next-tinacms-s3AI

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-59992",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-59992",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-08-21T16:47:38.735308Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.4,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 2.5,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "tinacms",
          "product": "tinacms",
          "versions": [
            {
              "status": "affected",
              "version": "< 23.0.4"
            }
          ]
        },
        {
          "vendor": "tinacms",
          "product": "next-tinacms-s3",
          "versions": [
            {
              "status": "affected",
              "version": "< 23.0.4"
            }
          ]
        },
        {
          "vendor": "tinacms",
          "product": "next-tinacms-dos",
          "versions": [
            {
              "status": "affected",
              "version": "< 23.0.4"
            }
          ]
        },
        {
          "vendor": "tinacms",
          "product": "next-tinacms-azure",
          "versions": [
            {
              "status": "affected",
              "version": "< 14.0.4"
            }
          ]
        },
        {
          "vendor": "tinacms",
          "product": "next-tinacms-cloudinary",
          "versions": [
            {
              "status": "affected",
              "version": "< 26.0.4"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-08-19T22:16:40.600",
  "references": [
    {
      "url": "https://github.com/tinacms/tinacms/commit/d44558e9b4502d4f4fc2c970d22985339fe2b6ce",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/tinacms/tinacms/pull/7088",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/tinacms/tinacms/releases/tag/next-tinacms-s3@23.0.4",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/tinacms/tinacms/security/advisories/GHSA-8mq9-5fw2-5rm4",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/tinacms/tinacms/security/advisories/GHSA-8mq9-5fw2-5rm4",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-639"
        },
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Tina is a headless content management system. Prior to next-tinacms-s3 23.0.4, next-tinacms-dos 23.0.4, next-tinacms-azure 14.0.4, and next-tinacms-cloudinary 26.0.4, the first-party production media adapters pass attacker-controlled object keys to storage SDK upload and delete operations without enforcing the operator's configured mediaRoot. In packages/next-tinacms-s3/src/handlers.ts, createMediaHandler accepts req.query.key for a signed PutObject URL and the DELETE path uses req.query.media as the DeleteObjectCommand key. The same missing key-boundary check exists in packages/next-tinacms-dos/src/handlers.ts, packages/next-tinacms-azure/src/handlers.ts, and packages/next-tinacms-cloudinary/src/handlers.ts. An authenticated CMS editor can therefore create or delete objects anywhere the deployment's storage credential can reach, including other tenants' or non-media objects. These issues are fixed in next-tinacms-s3 23.0.4, next-tinacms-dos 23.0.4, next-tinacms-azure 14.0.4, and next-tinacms-cloudinary 26.0.4."
    }
  ],
  "lastModified": "2026-09-18T20:09:01.757",
  "sourceIdentifier": "security-advisories@github.com"
}