EUVD-2026-38595

jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.10.0 until 2.18.8, 2.21.4, and 3.1.4, jackson-databind's PolymorphicTypeValidator PTV is the primary safety mechanism guarding polymorphic deserialization. When polymorphic...

CVE-2026-54512 jackson-databind: PolymorphicTypeValidator bypass via generic type parameters allows arbitrary class instantiation

jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.10.0 until 2.18.8, 2.21.4, and 3.1.4, jackson-databind's PolymorphicTypeValidator PTV is the primary safety mechanism guarding polymorphic deserialization. When polymorphic...

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-2026-54512

jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.10.0 until 2.18.8, 2.21.4, and 3.1.4, jackson-databind's PolymorphicTypeValidator PTV is the primary safety mechanism guarding polymorphic deserialization. When polymorphic...

CVE-2026-54512

jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.10.0 until 2.18.8, 2.21.4, and 3.1.4, jackson-databind's PolymorphicTypeValidator PTV is the primary safety mechanism guarding polymorphic deserialization. When polymorphic...

CVE-2026-54513 jackson-databind: Array subtype allowlist bypass in BasicPolymorphicTypeValidator (allowIfSubTypeIsArray)

jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.10.0 until 2.18.8, 2.21.4, and 3.1.4, BasicPolymorphicTypeValidator.Builder.allowIfSubTypeIsArray allowlists any array type based only on clazz.isArray, without validating th...

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-2026-54514 jackson-databind: InetSocketAddress deserialization triggers eager DNS resolution (SSRF)

jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.0.0 until 2.18.8, 2.21.4, and 3.1.4, JDKFromStringDeserializer constructed InetSocketAddress with new InetSocketAddresshost, port, which performs eager DNS name resolution fo...

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...

CVE-2026-54514 jackson-databind: InetSocketAddress deserialization triggers eager DNS resolution (SSRF)

jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.0.0 until 2.18.8, 2.21.4, and 3.1.4, JDKFromStringDeserializer constructed InetSocketAddress with new InetSocketAddresshost, port, which performs eager DNS name resolution fo...

CVE-2026-54514

jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.0.0 until 2.18.8, 2.21.4, and 3.1.4, JDKFromStringDeserializer constructed InetSocketAddress with new InetSocketAddresshost, port, which performs eager DNS name resolution fo...

CVE-2026-54514 jackson-databind: InetSocketAddress deserialization triggers eager DNS resolution (SSRF)

jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.0.0 until 2.18.8, 2.21.4, and 3.1.4, JDKFromStringDeserializer constructed InetSocketAddress with new InetSocketAddresshost, port, which performs eager DNS name resolution fo...

CVE-2026-54514

jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.0.0 until 2.18.8, 2.21.4, and 3.1.4, JDKFromStringDeserializer constructed InetSocketAddress with new InetSocketAddresshost, port, which performs eager DNS name resolution fo...

CVE-2026-54515

jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.8.0 until 2.18.9, 2.21.5, and 3.1.4, in BeanDeserializerBase.createContextual, per-property @JsonIgnoreProperties exclusions are applied by handleByNameInclusion, producing a...

CVE-2026-54515 jackson-databind: Case-insensitive deserialization bypasses per-property @JsonIgnoreProperties

jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.8.0 until 2.18.9, 2.21.5, and 3.1.4, in BeanDeserializerBase.createContextual, per-property @JsonIgnoreProperties exclusions are applied by handleByNameInclusion, producing a...

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-2026-54515 jackson-databind: Case-insensitive deserialization bypasses per-property @JsonIgnoreProperties

jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.8.0 until 2.18.9, 2.21.5, and 3.1.4, in BeanDeserializerBase.createContextual, per-property @JsonIgnoreProperties exclusions are applied by handleByNameInclusion, producing a...

CVE-2026-54516 jackson-databind: Renamed @JsonIgnore'd setters can deserialize via private fields

jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.21.0 until 2.21.4 and 3.1.4, POJOPropertiesCollector.renameProperties allows a property with @JsonProperty"renamed" on the getter and @JsonIgnore on the setter to be renamed...

CVE-2026-54516

The CVE-2026-54516 vulnerability affects jackson-databind where, from 2.21.0 through 2.21.4 and in 3.1.4, POJOPropertiesCollector._renameProperties() can rename a property annotated with @JsonProperty("renamed") on the getter while the setter is annotated with @JsonIgnore. When MapperFeature.INFE...

CVE-2026-54516 jackson-databind: Renamed @JsonIgnore'd setters can deserialize via private fields

jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.21.0 until 2.21.4 and 3.1.4, POJOPropertiesCollector.renameProperties allows a property with @JsonProperty"renamed" on the getter and @JsonIgnore on the setter to be renamed...