CVE-2026-71253

A flaw was found in Apache Johnzon. This vulnerability allows a remote attacker to potentially execute arbitrary code by submitting a specially crafted JSON payload. Due to unsafe class loading in the ClassConverter component, the application loads and statically initializes an attacker-specified...

CVE-2026-71253

Use of Externally-Controlled Input to Select Classes or Code 'Unsafe Reflection' vulnerability in Apache Johnzon. ClassConverter loads & static-initializes an attacker-named class from untrusted JSON. This issue affects Apache Johnzon: from 1.0.0 before 2.2.0. Users are recommended to upgrade to...

CVE-2026-71253 Apache Johnzon: ClassConverter loads & static-initializes an attacker-named class from untrusted JSON

Use of Externally-Controlled Input to Select Classes or Code 'Unsafe Reflection' vulnerability in Apache Johnzon. ClassConverter loads & static-initializes an attacker-named class from untrusted JSON. This issue affects Apache Johnzon: from 1.0.0 before 2.2.0. Users are recommended to upgrade to...

CVE-2026-71253

A vulnerability in Apache Johnzon (versions 1.0.0 to before 2.2.0) allows a remote attacker to potentially execute arbitrary code by submitting a crafted JSON payload. The root cause is unsafe reflection within the ClassConverter component, where it loads and statically initializes an attacker-sp...

EUVD-2026-104193

Use of Externally-Controlled Input to Select Classes or Code 'Unsafe Reflection' vulnerability in Apache Johnzon. ClassConverter loads & static-initializes an attacker-named class from untrusted JSON. This issue affects Apache Johnzon: from 1.0.0 before 2.2.0. Users are recommended to upgrade to...

CVE-2026-71253 Apache Johnzon: ClassConverter loads & static-initializes an attacker-named class from untrusted JSON

Use of Externally-Controlled Input to Select Classes or Code 'Unsafe Reflection' vulnerability in Apache Johnzon. ClassConverter loads & static-initializes an attacker-named class from untrusted JSON. This issue affects Apache Johnzon: from 1.0.0 before 2.2.0. Users are recommended to upgrade to...

CVE-2026-71253

Use of Externally-Controlled Input to Select Classes or Code 'Unsafe Reflection' vulnerability in Apache Johnzon. ClassConverter loads & static-initializes an attacker-named class from untrusted JSON. This issue affects Apache Johnzon: from 1.0.0 before 2.2.0. Users are recommended to upgrade to...

CVE-2026-71253 Apache Johnzon: ClassConverter loads & static-initializes an attacker-named class from untrusted JSON

Use of Externally-Controlled Input to Select Classes or Code 'Unsafe Reflection' vulnerability in Apache Johnzon. ClassConverter loads & static-initializes an attacker-named class from untrusted JSON. This issue affects Apache Johnzon: from 1.0.0 before 2.2.0. Users are recommended to upgrade to...

PT-2026-117336

Use of Externally-Controlled Input to Select Classes or Code 'Unsafe Reflection' vulnerability in Apache Johnzon. ClassConverter loads & static-initializes an attacker-named class from untrusted JSON. This issue affects Apache Johnzon: from 1.0.0 before 2.2.0. Users are recommended to upgrade to...

CVE-2026-71253: Use of Externally-Controlled Input to Select Classes or Code

Use of Externally-Controlled Input to Select Classes or Code 'Unsafe Reflection' vulnerability in Apache Johnzon. ClassConverter loads & static-initializes an attacker-named class from untrusted JSON. This issue affects Apache Johnzon: from 1.0.0 before 2.2.0. Users are recommended to upgrade to...

Apache Johnzon code injection vulnerability

A code injection vulnerability exists in Apache Johnzon versions from 1.0.0 up to but not including 1.3.1, and from 2.0.0 up to but not including 2.2.0. This vulnerability arises because ClassConverter loads and statically initializes classes specified by the attacker from untrusted JSON, leading...

EUVD-2023-2038

Malicious code in bioql PyPI...

Security Bulletin: IBM Master Data Management vulnerable to denial of service from IBM Business Automation Workflow using Apache Johnzon

Summary IBM Master Data Management version 14.0 is impacted by vulnerability in IBM Business Automation Workflow. Apache Johnzon is vulnerable to a denial of service, caused by an unsafe deserialization flaw in BigDecimal. By sending a specially crafted JSON input, a remote attacker could exploit...

Security Bulletin: Denial of Service vulnerability affect IBM Business Automation Workflow - CVE-2023-33008

Summary IBM Business Automation Workflow is vulnerable to a Denial of Service attack. Vulnerability Details CVEID:CVE-2023-33008 DESCRIPTION: Apache Johnzon is vulnerable to a denial of service, caused by an unsafe deserialization flaw in BigDecimal. By sending a specially crafted JSON input, a...

Security Bulletin: IBM Datapower Operations Dashboard to a denial of service caused by an unsafe deserialization flaw

Summary Apache Johnzon is used by the IBM Datapower Operations Dashboard in its JSON processing. Vulnerability Details CVEID:CVE-2023-33008 DESCRIPTION: Apache Johnzon is vulnerable to a denial of service, caused by an unsafe deserialization flaw in BigDecimal. By sending a specially crafted JSON...

Security Bulletin: Denial of Service vulnerability in Apache Johnzon may affect IBM Business Automation Workflow emitters - CVE-2023-33008

Summary IBM Business Automation Workflow BPMN event emitters are vulnerable to a Denial of Service attack. Vulnerability Details CVEID:CVE-2023-33008 DESCRIPTION: Apache Johnzon is vulnerable to a denial of service, caused by an unsafe deserialization flaw in BigDecimal. By sending a specially...

Important: Red Hat Security Advisory: Red Hat support for Spring Boot 2.7.17 security update

An update is now available for Red Hat OpenShift Application Runtimes. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

apache-johnzon: Prevent inefficient internal conversion from BigDecimal at large scale

A flaw was found in Apache Johnzon. This issue could allow an attacker to craft a specific JSON input that Johnzon will deserialize into a BigDecimal, which Johnzon may use to start converting large numbers, resulting in a denial of service...

Moderate: Red Hat Security Advisory: Red Hat AMQ Broker 7.11.2 release and security update

Red Hat AMQ Broker 7.11.2 is now available from the Red Hat Customer Portal. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability...

apache-johnzon: Prevent inefficient internal conversion from BigDecimal at large scale

A flaw was found in Apache Johnzon. This issue could allow an attacker to craft a specific JSON input that Johnzon will deserialize into a BigDecimal, which Johnzon may use to start converting large numbers, resulting in a denial of service...