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CVE-2026-92091

Estado: Pendiente de análisisMedia (5.9)—

A flaw was found in jwcrypto. The JWK.import_key() function validates the key_ops JWK member for duplicate values using an algorithm with O(n^2) time complexity, and the length of key_ops is not bounded. A remote, unauthenticated attacker can supply a JWK with a large key_ops array to an application that passes attacker-controlled key material to a public key-import API (reachable via ECDH-ES key agreement, OIDC dynamic client registration, DPoP, or ACME account key registration, among others) to consume excessive CPU time, resulting in a denial of service.

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)

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

Latchset — JwcryptoAI

CWE

Referencias

JSON original (NVD)

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  "published": "2026-09-16T08:16:40.583",
  "references": [
    {
      "url": "https://access.redhat.com/security/cve/CVE-2026-92091",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533849",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://github.com/latchset/jwcrypto/security/advisories/GHSA-pwgw-f7xr-863h",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://github.com/latchset/jwcrypto/security/advisories/GHSA-pwgw-f7xr-863h",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
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  "vulnStatus": "Awaiting Analysis",
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      "type": "Secondary",
      "source": "secalert@redhat.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-407"
        }
      ]
    }
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    {
      "lang": "en",
      "value": "A flaw was found in jwcrypto. The JWK.import_key() function validates the key_ops JWK member for duplicate values using an algorithm with O(n^2) time complexity, and the length of key_ops is not bounded. A remote, unauthenticated attacker can supply a JWK with a large key_ops array to an application that passes attacker-controlled key material to a public key-import API (reachable via ECDH-ES key agreement, OIDC dynamic client registration, DPoP, or ACME account key registration, among others) to consume excessive CPU time, resulting in a denial of service."
    }
  ],
  "lastModified": "2026-09-16T19:42:43.623",
  "sourceIdentifier": "secalert@redhat.com"
}