CVE-2026-44459
CVE-2026-44459 · Hono: Improper validation of NumericDate claims (exp, nbf, iat) in JWT verify()
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Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.18, improper validation of the JWT NumericDate claims exp, nbf, and iat in hono/utils/jwt allows tokens with non-spec-compliant claim values to silently bypass time-based checks. This issue is not exploitable by an anonymous attacker; it only manifests when a malformed claim value reaches verify() — typically when the application itself issues such tokens, or when the signing key is otherwise under attacker control. This vulnerability is fixed in 4.12.18.
CVSS 3.8 · Baja · EPSS 0,2% · Corrección disponible
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Pila tecnológica: node