CVE-2026-35538 · cross-distro fix matrix

CVE-2026-35538: An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Unsanitized IMAP SEARCH command arguments could lead to IMAP injection or CSRF bypass during mail search.

Affects 3 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2026-35538 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+deb11u8urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y roundcube
```

Debian bookworm

Source: Debian Security Tracker

roundcube→ fixed in1.6.5+dfsg-1+deb12u8urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y roundcube
```

Debian trixie

Source: Debian Security Tracker

roundcube→ fixed in1.6.15+dfsg-0+deb13u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y roundcube
```

Are YOU affected by CVE-2026-35538?

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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