CVE-2026-34487 · cross-distro fix matrix

CVE-2026-34487: Insertion of Sensitive Information into Log File vulnerability in the cloud membership for clustering component of Apache Tomcat exposed the Kubernetes bearer token. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.20, from 10.1.0-M1 through 10.1.53, from 9.0.13 through 9.0.116. Users

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

Fix per ecosystem

Each block below is a distro release where CVE-2026-34487 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

tomcat9→ fixed in9.0.70-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y tomcat9
```

Debian bookworm

Source: Debian Security Tracker

tomcat9→ fixed in9.0.70-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y tomcat9
```

Debian trixie

Source: Debian Security Tracker

tomcat9→ fixed in9.0.70-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y tomcat9
```

Are YOU affected by CVE-2026-34487?

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