CVE-2026-54515

CVE-2026-54515 affects jackson-databind where, from 2.8.0 up to 2.18.9, 2.21.5 and 3.1.4, per-property @JsonIgnoreProperties exclusions are bypassed during a case-insensitive deserialization, making ignored properties writable again. The root cause is in BeanDeserializerBase.createContextual(), w...

CVE-2026-54513

CVE-2026-54513 affects jackson-databind. A vulnerability in BasicPolymorphicTypeValidator.Builder.allowIfSubTypeIsArray() allows bypass of per-element allowlists when deserializing arrays, if the array element type is not explicitly allowlisted, potentially enabling dangerous types like EvilType[...

CVE-2026-54512

jackson-databind contains a PolymorphicTypeValidator (PTV) bypass vulnerability. When polymorphic typing is enabled and the type ID includes generic parameters, DatabindContext._resolveAndValidateGeneric() validates only the raw container class name, then parses the full canonical type without va...

CVE-2026-54514

CVE-2026-54514 affects jackson-databind’s InetSocketAddress handling during deserialization. From 2.0.0 up to fixes in 2.18.8, 2.21.4, and 3.1.4, JDKFromStringDeserializer constructed InetSocketAddress(host, port), causing eager DNS resolution at readValue time and enabling an attacker to trigger...