CVE-2026-50052 · cross-distro fix matrix

CVE-2026-50052: In Vinyl Cache before 9.0.1 and Varnish Cache before 9.0.3, a deficiency in HTTP/2 request parsing can be exploited to launch a backend request desync attack (request smuggling), which in turn can be

Affects 1 Linux release across 1 (distro × package) combinations. First disclosed: 2026-06-03.

Fix per ecosystem

Each block below is a distro release where CVE-2026-50052 has a known fix. Run the listed command on that distro to remediate.

Debian trixie

Source: Debian Security Tracker

varnish→ fixed in7.7.0-3+deb13u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y varnish
```

Are YOU affected by CVE-2026-50052?

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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