High8.0Red Hat & Ubuntu Linux
Arbitrary Code Execution via deserialization of crafted objects
CVE-2026-27830 Published Feb 26, 2026
CVE-2026-27830
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
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 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 2 hours ago·verify at source
Fixed versions
- RHSA-2026:28385
Official advisory · high-confidence parse· fetched 2 hours 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 2 hours ago·verify at source
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