{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:grafana:grafana:*:-:*:*:enterprise:*:*:*",
              "matchCriteriaId": "0B8EFF4D-5611-41A6-B555-4A7911C72824",
              "versionEndExcluding": "12.4.1",
              "versionStartIncluding": "11.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A time-of-create-to-time-of-use (TOCTOU) vulnerability lets recently deleted-then-recreated data sources be re-deleted without permission to do so.\n\nThis requires several very stringent conditions to be met:\n\n- The attacker must have admin access to the specific datasource prior to its first deletion.\n- Upon deletion, all steps within the attack must happen within the next 30 seconds and on the same pod of Grafana.\n- The attacker must delete the datasource, then someone must recreate it.\n- The new datasource must not have the attacker as an admin.\n- The new datasource must have the same UID as the prior datasource. These are randomised by default.\n- The datasource can now be re-deleted by the attacker.\n- Once 30 seconds are up, the attack is spent and cannot be repeated.\n- No datasource with any other UID can be attacked."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de tipo \"time-of-create-to-time-of-use\" (TOCTOU) permite que las fuentes de datos recientemente eliminadas y luego recreadas sean re-eliminadas sin permiso para hacerlo.\n\nEsto requiere que se cumplan varias condiciones muy estrictas:\n\n- El atacante debe tener acceso de administrador a la fuente de datos espec\u00edfica antes de su primera eliminaci\u00f3n.\n- Tras la eliminaci\u00f3n, todos los pasos del ataque deben ocurrir dentro de los siguientes 30 segundos y en el mismo pod de Grafana.\n- El atacante debe eliminar la fuente de datos, luego alguien debe recrearla.\n- La nueva fuente de datos no debe tener al atacante como administrador.\n- La nueva fuente de datos debe tener el mismo UID que la fuente de datos anterior. Estos se aleatorizan por defecto.\n- La fuente de datos ahora puede ser re-eliminada por el atacante.\n- Una vez transcurridos 30 segundos, el ataque se agota y no puede repetirse.\n- Ninguna fuente de datos con cualquier otro UID puede ser atacada."
    }
  ],
  "id": "CVE-2026-21725",
  "lastModified": "2026-02-27T03:34:26.473",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 2.6,
          "baseSeverity": "LOW",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 1.4,
        "source": "security@grafana.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 2.0,
          "baseSeverity": "LOW",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 0.5,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2026-02-25T13:16:05.240",
  "references": [
    {
      "source": "security@grafana.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://grafana.com/security/security-advisories/cve-2026-21725"
    }
  ],
  "sourceIdentifier": "security@grafana.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-367"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}