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

CVE-2026-21020 – Protobuf Message Parsing Polymorphic Deserialization Vulnerability Program Code Python with protobuf protovuln.py - Insecure handling of Any type import addressbookpb2 Example protobuf Simulated deserialization that trusts an injected typeurl from google.protobuf import anypb2...

Rocky Linux 8 [CIQ] Security Update: apache-commons-collections / apache-commons-lang / bea-stax-api / etc (crlsa-2019_2720)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20192720 advisory. jackson-databind: failure to block the logback-core class from polymorphic deserialization leading to remote code execution CVE-2019-12384 Tenable has extracted the...

Rocky Linux 9.6 [TuxCare] Security Update: pki-jackson-databind Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1784562620)

The Rocky Linux 9.6 host has a package installed that is affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1784562620 advisory. - jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.10.0...

Unsafe Polymorphic Deserialization

jackson-databind is vulnerable to unsafe polymorphic deserialization. The vulnerability is due to DefaultBaseTypeLimitingValidator allowing essentially any class implementing Comparable, which allows an attacker to provide a crafted type identifier and instantiate attacker-chosen objects such as...

Security Bulletin: IBM Sterling Secure Proxy is vulnerable to multiple issues

Summary Multiple vulnerabilities affect IBM Sterling Secure Proxy and are addressed in the latest release and fixpack. Vulnerability Details CVEID:CVE-2026-54512 DESCRIPTION: jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: jackson-databind (UTSA-2026-091415)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-091415 advisory. FasterXML jackson-databind 2.x before 2.9.9.1 might allow attackers to have a variety of impacts by leveraging failure to block the logback-core class from polymorph...

Atlassian Jira Service Management Data Center and Server 5.17.0 < 10.3.25 / 10.4.x < 11.3.10 (JSDSERVER-16742)

The version of Atlassian Jira Service Management Data Center and Server Jira Service Desk running on the remote host is affected by a vulnerability as referenced in the JSDSERVER-16742 advisory. - jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson...

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...

Security Bulletin: IBM Watson Discovery Cartridge affected by vulnerability in jackson-databind-2.16.0.jar

Summary IBM Watson Discovery Cartridge affected by vulnerability in jackson-databind-2.16.0.jar Vulnerability Details CVEID:CVE-2026-54512 DESCRIPTION: jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.10.0 until 2.18.8,...

Security Bulletin: IBM Watson Discovery for IBM Cloud Pak for Data affected by vulnerability in jackson-databind

Summary IBM Watson Discovery for IBM Cloud Pak for Data affected by vulnerability in jackson-databind Vulnerability Details CVEID:CVE-2026-54512 DESCRIPTION: jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.10.0 until 2.18....

DoS (Denial of Service) at tools.jackson.core:jackson-databind Dependency in Bamboo Data Center

This High severity DoS Denial of Service vulnerability was introduced in versions 10.1.0, 10.2.0, 11.0.0, 12.0.0, and 12.1.0 of Bamboo Data Center. This DoS Denial of Service vulnerability, with a CVSS Score of 8.1 and a CVSS Vector of CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H allows an...

Security Bulletin: Multiple vulnerabilities in jackson-databind impact IBM License Key Server Administration and Reporting Tool and IBM LKS Administration Agent

Summary Multiple vulnerabilities in jackson-databind impact IBM License Key Server Administration and Reporting Tool and IBM LKS Administration Agent. These vulnerabilities have been addressed. Please read the details for remediation below. Vulnerability Details CVEID:CVE-2026-54512 DESCRIPTION:...

SUSE CVE-2026-83557

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...

DoS (Denial of Service) com.fasterxml.jackson.core:jackson-databind Dependency in Jira Service Management Data Center

This High severity DoS Denial of Service vulnerability was introduced in versions 5.17.0, 10.0.0, 10.1.1, 10.2.0, 10.3.0, 10.4.0, 10.5.0, 10.6.0, 10.7.1, 11.0.0, 11.1.0, 11.2.0, and 11.3.0 of Jira Service Management Data Center. This DoS Denial of Service vulnerability, with a CVSS Score of 8.1 a...

DEBIAN-CVE-2026-83557

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...

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

Name of the Vulnerable Software and Affected Versions com.fasterxml.jackson.core:jackson-databind versions 2.11.0 through 2.18.9 com.fasterxml.jackson.core:jackson-databind versions 2.19.0 through 2.21.5 com.fasterxml.jackson.core:jackson-databind versions 2.22.0 through 2.22.1...

Security Bulletin: Security vulnerabilities have been identified in Java Jackson Databind library shipped with IBM Guardium Cryptography Manager (GCM)

Summary Security vulnerabilities identified in Jackson Databind shipped with IBM Guardium Cryptography Manager GCM have been addressed Vulnerability Details CVEID:CVE-2026-54512 DESCRIPTION: jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data...

Security Bulletin: Security vulnerabilities have been identified in Jackson Databind shipped with IBM Guardium Cryptography Manager (GCM)

Summary Security vulnerabilities identified in Jackson Databind shipped with IBM Guardium Cryptography Manager GCM have been addressed Vulnerability Details CVEID:CVE-2026-54512 DESCRIPTION: jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data...