CVE-2026-5090 · cross-distro fix matrix

CVE-2026-5090: It was discovered that Template-Toolkit did not properly escape single

Affects 4 Linux releases across 4 (distro × package) combinations. First disclosed: 2026-05-19.

CVSS v3:MEDIUM · 6.1(NVD-published)

Fix per ecosystem

Each block below is a distro release where CVE-2026-5090 has a known fix. Run the listed command on that distro to remediate.

Ubuntu jammy

Source: Ubuntu USN

libtemplate-perl→ fixed in2.27-1ubuntu0.22.04.1USN-8377-1
```
sudo apt-get install --only-upgrade -y libtemplate-perl
```

Ubuntu noble

Source: Ubuntu USN

libtemplate-perl→ fixed in2.27-1ubuntu0.24.04.1USN-8377-1
```
sudo apt-get install --only-upgrade -y libtemplate-perl
```

Ubuntu questing

Source: Ubuntu USN

libtemplate-perl→ fixed in2.27-1ubuntu0.25.10.1USN-8377-1
```
sudo apt-get install --only-upgrade -y libtemplate-perl
```

Ubuntu resolute

Source: Ubuntu USN

libtemplate-perl→ fixed in3.102-1ubuntu0.1USN-8377-1

sudo apt-get install --only-upgrade -y libtemplate-perl

Are YOU affected by CVE-2026-5090?

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

CVE-2026-5090dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. $99 lifetime, 50 founder seats, 30-day refund.

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