CVE-2025-62878
CRITICALCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Lifecycle Timeline
3Description
A malicious user can manipulate the parameters.pathPattern to create PersistentVolumes in arbitrary locations on the host node, potentially overwriting sensitive files or gaining access to unintended directories.
Analysis
Path traversal in Kubernetes PersistentVolume creation via pathPattern parameter allows creating volumes in arbitrary host filesystem locations. CVSS 9.9 with scope change.
Technical Context
CWE-23 relative path traversal. The parameters.pathPattern field in PersistentVolume specs can be manipulated to create volumes at arbitrary host paths.
Affected Products
['Affected Kubernetes storage provisioner']
Remediation
Update the storage provisioner. Implement path validation for pathPattern. Use PodSecurityPolicies/Standards to restrict volume mounts.
Priority Score
Vendor Status
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External POC / Exploit Code
Leaving vuln.today
GHSA-jr3w-9vfr-c746