CVE-2026-26278
CVE-2026-26278: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityHigh7.5
High [CVE-2026-26278] Denial of Service via unlimited XML entity expansion
CVE-2026-26278Source published
Denial of Service via unlimited XML entity expansion. Red Hat rates this important (CVSS 7.5). Weakness: CWE-776. Affected package(s): rhdh/rhdh-hub-rhel9:1774545605, advanced-cluster-security/rhacs-main-rhel8:1775594119, advanced-cluster-security/rhacs-main-rhel8:1775594284, rhdh/rhdh-hub-rhel9:1775140647. Resolved in Red Hat advisory RHSA-2026:7110 — update the affected packages (`sudo dnf update`).
- Affected products in this advisory
- Red Hat Advanced Cluster Security for Kubernetes 4.8
- Red Hat Advanced Cluster Security for Kubernetes 4.9
- Red Hat Developer Hub 1.8
- Red Hat Developer Hub 1.9
8 more entries in the full advisory.
- Source-reported affected versions
- rhdh/rhdh-hub-rhel9:1774545605
- advanced-cluster-security/rhacs-main-rhel8:1775594119
- advanced-cluster-security/rhacs-main-rhel8:1775594284
- rhdh/rhdh-hub-rhel9:1775140647
- Source-reported fixed versions
- RHSA-2026:7110
- Mitigation guidance
- Update the affected package(s) to the fixed version shipped in RHSA-2026:7110 (`sudo dnf update` / `yum update`).
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