FKIE_CVE-2026-48597

Vulnerability from fkie_nvd - Published: 2026-06-02 20:16 - Updated: 2026-07-22 19:10
Severity
8.2 (High) - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Summary
Allocation of Resources Without Limits or Throttling vulnerability in elixir-tesla tesla allows denial of service via atom table exhaustion in Tesla.Adapter.Mint. Tesla.Adapter.Mint.open_conn/2 converts the URL scheme of every outgoing request to a BEAM atom via String.to_atom(uri.scheme) with no allow-list validation. BEAM atoms are never garbage-collected and the atom table is bounded (approximately 1,048,576 entries by default). An attacker who can influence the URL of a Tesla request — either via an application-level URL-forwarding feature (webhook, proxy, importer) or via a Location header returned by a server when Tesla.Middleware.FollowRedirects is in the pipeline — can mint one fresh permanent atom per request by varying the scheme string. After enough requests the atom table fills and the VM crashes, taking down the entire application. This issue affects tesla: from 1.3.0 before 1.18.3.
References
6b3ad84c-e1a6-4bf7-a703-f496b71e49dbhttps://cna.erlef.org/cves/CVE-2026-48597.html
6b3ad84c-e1a6-4bf7-a703-f496b71e49dbhttps://github.com/elixir-tesla/tesla/commit/4699c3cb3e2fd6078f99f45f11cf7466aeedbf0e
6b3ad84c-e1a6-4bf7-a703-f496b71e49dbhttps://github.com/elixir-tesla/tesla/security/advisories/GHSA-h74c-q9j7-mpcm
6b3ad84c-e1a6-4bf7-a703-f496b71e49dbhttps://osv.dev/vulnerability/EEF-CVE-2026-48597
134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/elixir-tesla/tesla/security/advisories/GHSA-h74c-q9j7-mpcm
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "collectionURL": "https://repo.hex.pm",
          "cpes": [
            "cpe:2.3:a:elixir-tesla:tesla:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "modules": [
            "\u0027Elixir.Tesla.Adapter.Mint\u0027"
          ],
          "packageName": "tesla",
          "packageURL": "pkg:hex/tesla",
          "product": "tesla",
          "programFiles": [
            "lib/tesla/adapter/mint.ex"
          ],
          "programRoutines": [
            {
              "name": "\u0027Elixir.Tesla.Adapter.Mint\u0027:open_conn/2"
            }
          ],
          "repo": "https://github.com/elixir-tesla/tesla",
          "vendor": "elixir-tesla",
          "versions": [
            {
              "lessThan": "1.18.3",
              "status": "affected",
              "version": "1.3.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "collectionURL": "https://github.com",
          "cpes": [
            "cpe:2.3:a:elixir-tesla:tesla:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "modules": [
            "\u0027Elixir.Tesla.Adapter.Mint\u0027"
          ],
          "packageName": "elixir-tesla/tesla",
          "packageURL": "pkg:github/elixir-tesla/tesla",
          "product": "tesla",
          "programFiles": [
            "lib/tesla/adapter/mint.ex"
          ],
          "programRoutines": [
            {
              "name": "\u0027Elixir.Tesla.Adapter.Mint\u0027:open_conn/2"
            }
          ],
          "repo": "https://github.com/elixir-tesla/tesla.git",
          "vendor": "elixir-tesla",
          "versions": [
            {
              "lessThan": "4699c3cb3e2fd6078f99f45f11cf7466aeedbf0e",
              "status": "affected",
              "version": "ccd0823d4ba37581a37d8f6108f9a81b263237ef",
              "versionType": "git"
            }
          ]
        }
      ],
      "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Allocation of Resources Without Limits or Throttling vulnerability in elixir-tesla tesla allows denial of service via atom table exhaustion in Tesla.Adapter.Mint.\n\nTesla.Adapter.Mint.open_conn/2 converts the URL scheme of every outgoing request to a BEAM atom via String.to_atom(uri.scheme) with no allow-list validation. BEAM atoms are never garbage-collected and the atom table is bounded (approximately 1,048,576 entries by default). An attacker who can influence the URL of a Tesla request \u2014 either via an application-level URL-forwarding feature (webhook, proxy, importer) or via a Location header returned by a server when Tesla.Middleware.FollowRedirects is in the pipeline \u2014 can mint one fresh permanent atom per request by varying the scheme string. After enough requests the atom table fills and the VM crashes, taking down the entire application.\n\nThis issue affects tesla: from 1.3.0 before 1.18.3."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de asignaci\u00f3n de recursos sin l\u00edmites ni estrangulamiento en elixir-tesla tesla permite la denegaci\u00f3n de servicio mediante el agotamiento de la tabla de \u00e1tomos en Tesla.Adapter.Mint.\n\nTesla.Adapter.Mint.open_conn/2 convierte el esquema de URL de cada solicitud saliente a un \u00e1tomo BEAM mediante String.to_atom(uri.scheme) sin validaci\u00f3n de lista de permitidos. Los \u00e1tomos BEAM nunca se recolectan y la tabla de \u00e1tomos est\u00e1 limitada (aproximadamente 1.048.576 entradas por defecto). Un atacante que puede influir en la URL de una solicitud de Tesla - ya sea a trav\u00e9s de una caracter\u00edstica de reenv\u00edo de URL a nivel de aplicaci\u00f3n (webhook, proxy, importador) o a trav\u00e9s de un encabezado Location devuelto por un servidor cuando Tesla.Middleware.FollowRedirects est\u00e1 en la cadena de procesamiento - puede crear un nuevo \u00e1tomo permanente por solicitud variando la cadena del esquema. Despu\u00e9s de suficientes solicitudes, la tabla de \u00e1tomos se llena y la VM falla, provocando la ca\u00edda de toda la aplicaci\u00f3n.\n\nEste problema afecta a tesla: desde 1.3.0 hasta antes de 1.18.3."
    }
  ],
  "id": "CVE-2026-48597",
  "lastModified": "2026-07-22T19:10:00.120",
  "metrics": {
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "PRESENT",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 8.2,
          "baseSeverity": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/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",
          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-48597",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-06-03T14:44:24.414813Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-06-02T20:16:38.710",
  "references": [
    {
      "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
      "url": "https://cna.erlef.org/cves/CVE-2026-48597.html"
    },
    {
      "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
      "url": "https://github.com/elixir-tesla/tesla/commit/4699c3cb3e2fd6078f99f45f11cf7466aeedbf0e"
    },
    {
      "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
      "url": "https://github.com/elixir-tesla/tesla/security/advisories/GHSA-h74c-q9j7-mpcm"
    },
    {
      "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
      "url": "https://osv.dev/vulnerability/EEF-CVE-2026-48597"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "url": "https://github.com/elixir-tesla/tesla/security/advisories/GHSA-h74c-q9j7-mpcm"
    }
  ],
  "sourceIdentifier": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-770"
        }
      ],
      "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
      "type": "Secondary"
    }
  ]
}



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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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