Red Hat Security Advisory: Red Hat build of Debezium 3.2.7 release
Debezium is a distributed platform that turns your existing databases into event streams, so applications can see and respond immediately to each row-level change in the databases. Debezium is built on top of Apache Kafka and provides Kafka Connect compatible connectors that monitor specific database management systems. Debezium records the history of data changes in Kafka logs, from where your application consumes them. This makes it possible for your application to easily consume all of the events correctly and completely. Even if your application stops unexpectedly, it will not miss anything: when the application restarts, it will resume consuming the events where it left off. In addition this errata fixes two security issues mchange-commons-java: Arbitrary code execution via JNDI dereferencing of crafted objects (CVE-2026-27727) c3p0: Arbitrary Code Execution via deserialization of crafted objects (CVE-2026-27830)
AI Analysis
Technical Summary
CVE-2026-27727 is a vulnerability in the mchange-commons-java library, a Java utility used in Red Hat build of Debezium 3.2.7 and other Red Hat products. The vulnerability arises from the library's independent implementation of JNDI dereferencing, which supports remote code loading. An attacker can exploit this by providing a malicious javax.naming.Reference or serialized object, causing the application to download and execute arbitrary code. This leads to arbitrary code execution within the affected application context. Red Hat's advisory notes that mitigation options are either unavailable or insufficient per their criteria, emphasizing the importance of applying vendor patches. The vulnerability is rated as high severity by Red Hat with a CVSS base score of 8.3 (Red Hat's scoring). The advisory also references related vulnerabilities such as CVE-2026-27830 affecting c3p0, which involves arbitrary code execution via deserialization of crafted objects. Red Hat has released security updates for affected products including Red Hat JBoss Enterprise Application Platform 8.1.6 and others, addressing these issues.
Potential Impact
Successful exploitation of CVE-2026-27727 allows an attacker to execute arbitrary code remotely within the context of the affected application using the mchange-commons-java library. This can lead to full compromise of the application, unauthorized actions, and potential system control. The vulnerability affects the integrity and availability of the system by enabling modification of application data and potentially causing denial of service. Red Hat rates the impact as high, with confidentiality, integrity, and availability impacts all rated high.
Mitigation Recommendations
Red Hat currently states that mitigation options for CVE-2026-27727 are either not available or do not meet their criteria for ease of use, applicability, or stability. Therefore, the primary recommended action is to apply the official security updates provided by Red Hat for affected products, such as Red Hat build of Debezium 3.2.7 and Red Hat JBoss Enterprise Application Platform 8.1.6. Users should ensure all relevant errata are applied and keep systems up to date. Customers with Red Hat Technical Account Manager (TAM) support can consult directly for guidance. No alternative mitigations are currently endorsed by Red Hat.
Red Hat Security Advisory: Red Hat build of Debezium 3.2.7 release
Description
Debezium is a distributed platform that turns your existing databases into event streams, so applications can see and respond immediately to each row-level change in the databases. Debezium is built on top of Apache Kafka and provides Kafka Connect compatible connectors that monitor specific database management systems. Debezium records the history of data changes in Kafka logs, from where your application consumes them. This makes it possible for your application to easily consume all of the events correctly and completely. Even if your application stops unexpectedly, it will not miss anything: when the application restarts, it will resume consuming the events where it left off. In addition this errata fixes two security issues mchange-commons-java: Arbitrary code execution via JNDI dereferencing of crafted objects (CVE-2026-27727) c3p0: Arbitrary Code Execution via deserialization of crafted objects (CVE-2026-27830)
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-27727 is a vulnerability in the mchange-commons-java library, a Java utility used in Red Hat build of Debezium 3.2.7 and other Red Hat products. The vulnerability arises from the library's independent implementation of JNDI dereferencing, which supports remote code loading. An attacker can exploit this by providing a malicious javax.naming.Reference or serialized object, causing the application to download and execute arbitrary code. This leads to arbitrary code execution within the affected application context. Red Hat's advisory notes that mitigation options are either unavailable or insufficient per their criteria, emphasizing the importance of applying vendor patches. The vulnerability is rated as high severity by Red Hat with a CVSS base score of 8.3 (Red Hat's scoring). The advisory also references related vulnerabilities such as CVE-2026-27830 affecting c3p0, which involves arbitrary code execution via deserialization of crafted objects. Red Hat has released security updates for affected products including Red Hat JBoss Enterprise Application Platform 8.1.6 and others, addressing these issues.
Potential Impact
Successful exploitation of CVE-2026-27727 allows an attacker to execute arbitrary code remotely within the context of the affected application using the mchange-commons-java library. This can lead to full compromise of the application, unauthorized actions, and potential system control. The vulnerability affects the integrity and availability of the system by enabling modification of application data and potentially causing denial of service. Red Hat rates the impact as high, with confidentiality, integrity, and availability impacts all rated high.
Mitigation Recommendations
Red Hat currently states that mitigation options for CVE-2026-27727 are either not available or do not meet their criteria for ease of use, applicability, or stability. Therefore, the primary recommended action is to apply the official security updates provided by Red Hat for affected products, such as Red Hat build of Debezium 3.2.7 and Red Hat JBoss Enterprise Application Platform 8.1.6. Users should ensure all relevant errata are applied and keep systems up to date. Customers with Red Hat Technical Account Manager (TAM) support can consult directly for guidance. No alternative mitigations are currently endorsed by Red Hat.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:4285
- Cve Count
- 2
- Additional Cves
- ["CVE-2026-27830"]
- State
- PUBLISHED
Threat ID: 6a27e9918dd33fbd85169248
Added to database: 06/09/2026, 10:23:13 UTC
Last enriched: 08/17/2026, 18:50:02 UTC
Last updated: 09/15/2026, 01:45:46 UTC
Views: 182
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