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CVE-2025-12390

Estado: AplazadaMedia (6)—

A flaw was found in Keycloak. In Keycloak where a user can accidentally get access to another user's session if both use the same device and browser. This happens because Keycloak sometimes reuses session identifiers and doesn’t clean up properly during logout when browser cookies are missing. As a result, one user may receive tokens that belong to another user.

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.

CWE

Referencias

JSON original (NVD)

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          "options": [
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              "exploitation": "none"
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            },
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          "version": "2.0.3",
          "timestamp": "2025-10-28T13:45:05.366775Z"
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  "published": "2025-10-28T14:15:57.980",
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      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2406793",
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      "lang": "en",
      "value": "A flaw was found in Keycloak. In Keycloak where a user can accidentally get access to another user's session if both use the same device and browser. This happens because Keycloak sometimes reuses session identifiers and doesn’t clean up properly during logout when browser cookies are missing. As a result, one user may receive tokens that belong to another user."
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  ],
  "lastModified": "2026-06-17T08:32:17.620",
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}