Kubevirt: kubevirt: symlink following in writetocachedfile allows host file overwrite from virt-launcher

LowVendor CVSS 4.2 / 10 1 CVE Published Jul 1, 2026 at 1:02 AM UTC

Summary

Mariner

Release Notes

Update history

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Nov 3, 2026 at 11:50 AM UTC
- Severity changed from Medium to Low.
- Added affected products: azl3 kubevirt-openvmm 1.9.0-1 on Azure Linux 3.0.
Nov 2, 2026 at 11:30 AM UTC
- Added affected products: azl3 kubevirt 1.8.4-4 on Azure Linux 3.0.

Jul 1, 2026 at 1:02 AM UTC
Published by Microsoft Security Response Center
The publication date reported by the vendor.
Sep 28, 2026 at 11:20 AM UTC
Added to SecurityAlert
We collected the advisory from the official source.
Nov 3, 2026 at 1:44 AM UTC
Updated by Microsoft Security Response Center
The vendor changed the advisory after it was first published.
Nov 11, 2026 at 2:20 AM UTC
Confirmed at the source
Our collector saw this advisory during a later source check.

Details collected from Microsoft Security Response Center.

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