CVE-2026-48848 · cross-distro fix matrix

CVE-2026-48848: Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7 has insufficient HTML sanitization that could lead to Cascading Style Sheets (CSS) injection via an SVG document that has an animate element

Affects 3 Linux releases across 3 (distro × package) combinations. First disclosed: 2026-05-25.

CVSS v3:HIGH · 7.2(NVD-published)

Fix per ecosystem

Each block below is a distro release where CVE-2026-48848 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

roundcube→ fixed in1.4.15+dfsg.1-1+deb11u9urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y roundcube
```

Debian bookworm

Source: Debian Security Tracker

roundcube→ fixed in1.6.5+dfsg-1+deb12u9urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y roundcube
```

Debian trixie

Source: Debian Security Tracker

roundcube→ fixed in1.6.16+dfsg-0+deb13u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y roundcube
```

Are YOU affected by CVE-2026-48848?

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

Continuous monitoring beats manual checking

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