CVE-2026-21020-Protobuf-Message-Parsing-Polymorphic-Deserialization-Vulnerability

CVE-2026-21020 – Protobuf Message Parsing Polymorphic Deserialization Vulnerability Program Code Python with protobuf root@kitploit: protovuln.py - Insecure handling of Any type import addressbookpb2 Example protobuf Simulated deserialization that trusts an injected typeurl from google.protobuf...

Security Bulletin: Jackson databind security vulnerability in IBM Content Cortex reported for ACCE, GraphQL, External-Share

Summary Jackson databind CVE-2026-54512, CVE-2026-54513, CVE-2026-54514, CVE-2026-54516, CVE-2026-54517, CVE-2026-54518 security vulnerability in IBM Content Cortex. Affected and vulnerable Vulnerability Details CVEID:CVE-2026-54512 DESCRIPTION: jackson-databind contains the general-purpose...

CVE-2026-83557 jackson-databind omits java.lang.Comparable from DefaultBaseTypeLimitingValidator's unsafe base types

DefaultBaseTypeLimitingValidator is the PolymorphicTypeValidator applied automatically whenever @JsonTypeInfo is used without an explicitly configured custom validator. It denies polymorphic resolution only for a fixed set of "unsafe base types", and its isSafeSubType method returns true...

CVE-2026-83557 jackson-databind omits java.lang.Comparable from DefaultBaseTypeLimitingValidator's unsafe base types

DefaultBaseTypeLimitingValidator is the PolymorphicTypeValidator applied automatically whenever @JsonTypeInfo is used without an explicitly configured custom validator. It denies polymorphic resolution only for a fixed set of "unsafe base types", and its isSafeSubType method returns true...

PT-2026-84291

DefaultBaseTypeLimitingValidator is the PolymorphicTypeValidator applied automatically whenever @JsonTypeInfo is used without an explicitly configured custom validator. It denies polymorphic resolution only for a fixed set of "unsafe base types", and its isSafeSubType method returns true...

Security Bulletin: IBM Integration Designer is vulnerable to multiple CVEs

Summary Multiple vulnerabilities are resolved: CVE-2026-54512, CVE-2026-54513, CVE-2026-54514, CVE-2026-54515, CVE-2026-54516, CVE-2026-54517, CVE-2026-54518 Vulnerability Details CVEID:CVE-2026-54512 DESCRIPTION: jackson-databind contains the general-purpose data-binding functionality and...

EUVD-2026-54422

Heap type confusion vulnerability in Apache Fory C++ deserialization. This issue affects Apache Fory C++ versions from 0.14.0 before 1.5.0. A crafted input payload can bypass type compatibility checks during polymorphic smart-pointer deserialization, causing an object of an incompatible type to b...

CVE-2026-71558 Apache Fory: Heap type confusion in C++ polymorphic smart-pointer deserialization

Heap type confusion vulnerability in Apache Fory C++ deserialization. This issue affects Apache Fory C++ versions from 0.14.0 before 1.5.0. A crafted input payload can bypass type compatibility checks during polymorphic smart-pointer deserialization, causing an object of an incompatible type to b...

CVE-2026-71558

CVE-2026-71558 describes a heap type confusion in Apache Fory C++ during polymorphic smart-pointer deserialization. A crafted input can bypass type compatibility checks, causing an object of an incompatible type to be treated as the declared base type, potentially leading to undefined behavior an...

Security Bulletin: Vulnerabilities in jackson-databind may affect IBM APM Linux KVM Agent for Virtual Environments.

Summary There are vulnerabilities in the jackson-databind jar used by IBM APM Linux KVM Agent for Virtual Environments. Vulnerability Details CVEID:CVE-2026-54512 DESCRIPTION: jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From...

Security Bulletin: SPSS Collaboration and Deployment Services is affected by multiple vulnerabilities in jackson-databind

Summary SPSS Collaboration and Deployment Services is affected by multiple vulnerabilities in jackson-databind. This has been addressed in the remediation section. Vulnerability Details CVEID:CVE-2026-54512 DESCRIPTION: jackson-databind contains the general-purpose data-binding functionality and...

Important: jackson-databind

Issue Overview: 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. Wh...

Amazon Linux 2023 : jackson-databind (ALAS2023-2026-1947)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1947 advisory. 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...

Security Bulletin: IBM SPSS Modeler is affected by multiple vulnerabilities in DataView

Summary IBM SPSS Modeler is affected by multiple vulnerabilities in DataView. This has been addressed in the remediation section. Vulnerability Details CVEID:CVE-2026-50193 DESCRIPTION: jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data...

Linux Distros Unpatched Vulnerability : CVE-2026-54512

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 has an array subtype allowlist bypass in BasicPolymorphicTypeValidator (allowIfSubTypeIsArray)

Summary BasicPolymorphicTypeValidator.Builder.allowIfSubTypeIsArray allowlists any array type based only on clazz.isArray, without validating the array's component element type against the configured allowlist. A PTV built with allowIfSubTypeIsArray plus an explicit concrete-type allowlist...

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...

DEBIAN-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...

UBUNTU-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...

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...