High8.3Red Hat & Ubuntu Linux
Arbitrary code execution via JNDI dereferencing of crafted objects
CVE-2026-27727 Published Feb 25, 2026
CVE-2026-27727
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Arbitrary code execution via JNDI dereferencing of crafted objects. Red Hat rates this important (CVSS 8.3). Weakness: CWE-502. Affected package(s): candlepin, eap8-hibernate, mchange-commons-java. Resolved in Red Hat advisory RHSA-2026:18054 — update the affected packages (`sudo dnf update`).
Affected versions
- candlepin-0:4.4.25-1.el9sat
- eap8-hibernate-0:6.6.48-1.Final_redhat_00001.1.el9eap
- eap8-hibernate-0:6.6.48-1.Final_redhat_00001.1.el8eap
- candlepin-0:4.4.25-1.el8sat
- mchange-commons-java
- candlepin-0:4.7.5-1.el9sat
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Fixed versions
- RHSA-2026:18054
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-2026:18054 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
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