Xen Hypervisor CVE-2026-42491 XSA-498

MEDIUM

N/A vendor:alpine

Information Disclosure

Lifecycle Timeline

Analysis Generated

Aug 11, 2026 - 09:08 vuln.today

DescriptionCVE.org

Alpine Linux: xen fixed in 0

AnalysisAI

XSA-498 affects Xen as packaged in Alpine Linux, with a vendor-confirmed fix tracked under CVE-2026-42491. The underlying vulnerability details are not publicly disclosed in the available intelligence - no description, CVSS vector, CWE, or exploit information has been provided. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access

Unknown - insufficient data to construct attack chain

Access

Unknown - insufficient data to construct attack chain

Vulnerability AssessmentAI

Exploitation	Exploitation conditions are entirely unknown - no description, CVSS vector, or advisory details are available. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment	Risk cannot be meaningfully assessed from the available data. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	No exploit scenario can be constructed from the available data. The vulnerability type, attack vector, and impact are all undisclosed. …
Remediation	Apply the Alpine Linux package update for Xen when a valid patched version is confirmed and available in the Alpine package repositories. … Detailed patch versions, workarounds, and compensating controls in full report.