CVE-2026-42052 · cross-distro fix matrix

CVE-2026-42052: Beets is the media library management system. Prior to version 2.10.0, the bundled web UI uses Underscore template interpolation mode <%= ... %> for untrusted metadata fields. In this runtime, <%= ...

Affects 3 Linux releases across 3 (distro × package) combinations. First disclosed: 2026-05-04.

Fix per ecosystem

Each block below is a distro release where CVE-2026-42052 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

beets→ fixed in1.4.9-7+deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y beets
```

Debian bookworm

Source: Debian Security Tracker

beets→ fixed in1.6.0-4+deb12u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y beets
```

Debian trixie

Source: Debian Security Tracker

beets→ fixed in2.2.0-3+deb13u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y beets
```

Are YOU affected by CVE-2026-42052?

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

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