CVE-2026-47886: fallo de gravedad alta en Spring Framework
Spring Framework Denial of Service via Unbounded Exponentiation in SpEL Expressions
Publicada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
21Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 7.5epss 0.5%
Applications that evaluate user-supplied Spring Expression Language (SpEL) expressions may be vulnerable to a Denial of Service (DoS) attack when the power operator (^) is used with a BigDecimal or BigInteger operand and a large exponent value.
Spring Framework 7.0.0 - 7.0.8
Spring Framework 6.2.0 - 6.2.19
Spring Framework 6.1.0 - 6.1.28
Spring Framework 6.0.0 - 6.0.30
Spring Framework 5.3.0 - 5.3.49
Spring Framework 5.2.25.RELEASE and earlier
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Productos afectados
Spring · Spring FrameworkCVEs relacionadas — Spring Framework
En el mismo producto, de las más peligrosas a las menos.
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Referencias
https://spring.io/security/cve-2026-47886