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Advisory severityHigh8.0Red Hat Linux

High [CVE-2026-27830] Arbitrary Code Execution via deserialization of crafted objects

This high-severity Red Hat Linux advisory covers CVE-2026-27830 affecting Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8, Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9, Red Hat Satellite 6.18 for RHEL 9.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-27830 Source published

VulniPulse record published

CVE-2026-27830
Affected products & platforms
Red Hat LinuxUnclassified
Open source advisory

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Summary

Arbitrary Code Execution via deserialization of crafted objects. Red Hat rates this important (CVSS 8).

Weakness: CWE-502. Affected package(s): com.mchange/c3p0, org.hibernate.orm/hibernate-c3p0, eap8-hibernate, c3p0/c3p0, candlepin.

Resolved in Red Hat advisory RHSA-2026:28385 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8; Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9; Red Hat Satellite 6.18 for RHEL 9; Red Hat build of Debezium 2; and 4 more.

Affected versions
  • com.mchange/c3p0
  • org.hibernate.orm/hibernate-c3p0
  • eap8-hibernate-0:6.6.48-1.Final_redhat_00001.1.el9eap
  • c3p0/c3p0
  • candlepin-0:4.6.6-1.el9sat
  • eap8-hibernate-0:6.6.48-1.Final_redhat_00001.1.el8eap

Official advisory · high-confidence parse· fetched 3 months ago·verify at source

Fixed versions
  • RHSA-2026:28385

Official advisory · high-confidence parse· fetched 3 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Update the affected package(s) to the fixed version shipped in RHSA-2026:28385 (`sudo dnf update` / `yum update`).

Official advisory · high-confidence parse· fetched 3 months ago·verify at source

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