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Xen Hypervisor CVE-2026-31786 XSA-485

MEDIUM
N/A vendor:alpine
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Lifecycle Timeline

1
Analysis Generated
May 27, 2026 - 23:01 vuln.today

DescriptionCVE.org

Alpine Linux: xen fixed in 0

AnalysisAI

Xen hypervisor package in Alpine Linux is affected by the vulnerability tracked as XSA-485 (CVE-2026-31786), for which Alpine Linux has issued a fix. The nature of the vulnerability - its impact, attack vector, and exploitability - cannot be characterized from the available data, which contains only a vendor fix notice with no description, CVSS score, or CWE classification. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Access Xen-hosted environment
Exploit
Trigger XSA-485 vulnerability
Impact
Achieve unspecified impact (details unknown)

Vulnerability AssessmentAI

Exploitation Exploitation conditions cannot be determined from the available data. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment No quantitative risk signals are available for this CVE: CVSS score and vector are absent, EPSS probability is not provided, KEV status is not confirmed, and no POC or exploit code has been identified at time of analysis. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An exploit scenario cannot be constructed with confidence from the available data - no vulnerability description, CVSS attack vector, or CWE is present. In the general context of Xen hypervisor XSAs, a plausible worst-case scenario would involve a malicious guest virtual machine triggering a flaw in the hypervisor to escalate privileges or escape isolation. …
Remediation Update the Xen package in Alpine Linux via the standard Alpine package manager (apk upgrade xen) to obtain the vendor-released fix. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-31786 XSA-485 vulnerability details – vuln.today

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