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CVE-2026-84185

Estado: Pendiente de análisisMedia (5.9)—

A flaw was found in the jwcrypto library, which is used for implementing Javascript Object Signing and Encryption (JOSE) standards. The issue occurs when the library verifies a General JSON Serialization JWS using a set of keys. Due to a coding error, the library fails to correctly identify the specific key ID (kid) and may instead accept a signature made by any valid key in the set. This can allow an attacker with a valid key to bypass authorization checks in applications that rely on the key ID to identify specific tenants or users.

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": "2026-09-03T21:17:22.687",
  "references": [
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      "url": "https://access.redhat.com/security/cve/CVE-2026-84185",
      "source": "secalert@redhat.com"
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      "source": "secalert@redhat.com",
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          "value": "CWE-347"
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  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was found in the jwcrypto library, which is used for implementing Javascript Object Signing and Encryption (JOSE) standards. The issue occurs when the library verifies a General JSON Serialization JWS using a set of keys. Due to a coding error, the library fails to correctly identify the specific key ID (kid) and may instead accept a signature made by any valid key in the set. This can allow an attacker with a valid key to bypass authorization checks in applications that rely on the key ID to identify specific tenants or users."
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  "lastModified": "2026-09-08T19:08:15.590",
  "sourceIdentifier": "secalert@redhat.com"
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