CVE-2026-57966 · cross-distro fix matrix

CVE-2026-57966: A path traversal vulnerability was found in spice-vdagent. This flaw allows a malicious or compromised SPICE host to write arbitrary files to any location on the guest operating system. This occurs because the filename provided by the SPICE host during file transfers is not properly sanitized before

Affects 2 Linux releases across 2 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2026-57966 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

spice-vdagent→ fixed in0.20.0-2+deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y spice-vdagent
```

Debian bookworm

Source: Debian Security Tracker

spice-vdagent→ fixed in0.22.1-3+deb12u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y spice-vdagent
```

Are YOU affected by CVE-2026-57966?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan View on NVD

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