CVE-2026-1642 · cross-distro fix matrix

CVE-2026-1642: A vulnerability exists in NGINX OSS and NGINX Plus when configured to proxy to upstream Transport Layer Security (TLS) servers. An attacker with a man-in-the-middle (MITM) position on the upstream server side—along with conditions beyond the attacker's control—may be able to inject plain text data i

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

Fix per ecosystem

Each block below is a distro release where CVE-2026-1642 has a known fix. Run the listed command on that distro to remediate.

Debian bookworm

Source: Debian Security Tracker

nginx→ fixed in1.22.1-9+deb12u4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y nginx
```

Debian trixie

Source: Debian Security Tracker

nginx→ fixed in1.26.3-3+deb13u2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y nginx
```

Alpine edge

Source: Alpine secdb

nginx→ fixed in1.28.2-r0
```
apk update && apk add --upgrade nginx
```

Are YOU affected by CVE-2026-1642?

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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Continuous monitoring beats manual checking

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