CVE Watch8 oct 2026

CVE-2019-16942

A Polymorphic Typing issue was discovered in FasterXML jackson-databind 2.0.0 through 2.9.10. When Default Typing is enabled (either globall

CVSS

9.8

Crítico

EPSS

5.7%

p93

KEV

—

Exploit Today

0-100

Publicado: 1 oct 2019 · Última mod.: 8 oct 2026 · CWE-502

EPSS · 30d

5.7%EPSS · 30 días5.7%

2026-10-062026-11-02

Descripción técnica

A Polymorphic Typing issue was discovered in FasterXML jackson-databind 2.0.0 through 2.9.10. When Default Typing is enabled (either globally or for a specific property) for an externally exposed JSON endpoint and the service has the commons-dbcp (1.4) jar in the classpath, and an attacker can find an RMI service endpoint to access, it is possible to make the service execute a malicious payload. This issue exists because of org.apache.commons.dbcp.datasources.SharedPoolDataSource and org.apache.commons.dbcp.datasources.PerUserPoolDataSource mishandling.

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