CVE-2026-41205 · cross-distro fix matrix

CVE-2026-41205: It was discovered that Mako incorrectly handled URIs with double-slash

Affects 7 Linux releases across 24 (distro × package) combinations. First disclosed: 2026-04-23.

CVSS v3:HIGH · 7.5(NVD-published)

Fix per ecosystem

Each block below is a distro release where CVE-2026-41205 has a known fix. Run the listed command on that distro to remediate.

Ubuntu bionic

Source: Ubuntu USN

mako→ fixed in1.0.7+ds1-1ubuntu0.2+esm1USN-8234-1
```
sudo apt-get install --only-upgrade -y mako
```
python-mako→ fixed in1.0.7+ds1-1ubuntu0.2+esm1USN-8234-1
```
sudo apt-get install --only-upgrade -y python-mako
```
python-mako-doc→ fixed in1.0.7+ds1-1ubuntu0.2+esm1USN-8234-1
```
sudo apt-get install --only-upgrade -y python-mako-doc
```
python3-mako→ fixed in1.0.7+ds1-1ubuntu0.2+esm1USN-8234-1
```
sudo apt-get install --only-upgrade -y python3-mako
```

Ubuntu focal

Source: Ubuntu USN

mako→ fixed in1.1.0+ds1-1ubuntu2.1+esm1USN-8234-1
```
sudo apt-get install --only-upgrade -y mako
```
python-mako→ fixed in1.1.0+ds1-1ubuntu2.1+esm1USN-8234-1
```
sudo apt-get install --only-upgrade -y python-mako
```
python-mako-doc→ fixed in1.1.0+ds1-1ubuntu2.1+esm1USN-8234-1
```
sudo apt-get install --only-upgrade -y python-mako-doc
```
python3-mako→ fixed in1.1.0+ds1-1ubuntu2.1+esm1USN-8234-1
```
sudo apt-get install --only-upgrade -y python3-mako
```

Ubuntu jammy

Source: Ubuntu USN

mako→ fixed in1.1.3+ds1-2ubuntu0.2USN-8234-1
```
sudo apt-get install --only-upgrade -y mako
```
python-mako-doc→ fixed in1.1.3+ds1-2ubuntu0.2USN-8234-1
```
sudo apt-get install --only-upgrade -y python-mako-doc
```
python3-mako→ fixed in1.1.3+ds1-2ubuntu0.2USN-8234-1
```
sudo apt-get install --only-upgrade -y python3-mako
```

Ubuntu noble

Source: Ubuntu USN

mako→ fixed in1.3.2-1ubuntu0.1USN-8234-1

sudo apt-get install --only-upgrade -y mako

python-mako-doc→ fixed in1.3.2-1ubuntu0.1USN-8234-1

sudo apt-get install --only-upgrade -y python-mako-doc

python3-mako→ fixed in1.3.2-1ubuntu0.1USN-8234-1

sudo apt-get install --only-upgrade -y python3-mako

Ubuntu questing

Source: Ubuntu USN

mako→ fixed in1.3.9-1ubuntu0.1USN-8234-1

sudo apt-get install --only-upgrade -y mako

python-mako-doc→ fixed in1.3.9-1ubuntu0.1USN-8234-1

sudo apt-get install --only-upgrade -y python-mako-doc

python3-mako→ fixed in1.3.9-1ubuntu0.1USN-8234-1

sudo apt-get install --only-upgrade -y python3-mako

Ubuntu resolute

Source: Ubuntu USN

mako→ fixed in1.3.10-3ubuntu0.1USN-8234-1

sudo apt-get install --only-upgrade -y mako

python-mako-doc→ fixed in1.3.10-3ubuntu0.1USN-8234-1

sudo apt-get install --only-upgrade -y python-mako-doc

python3-mako→ fixed in1.3.10-3ubuntu0.1USN-8234-1

sudo apt-get install --only-upgrade -y python3-mako

Ubuntu xenial

Source: Ubuntu USN

mako→ fixed in1.0.3+ds1-1ubuntu1+esm2USN-8234-1
```
sudo apt-get install --only-upgrade -y mako
```
python-mako→ fixed in1.0.3+ds1-1ubuntu1+esm2USN-8234-1
```
sudo apt-get install --only-upgrade -y python-mako
```
python-mako-doc→ fixed in1.0.3+ds1-1ubuntu1+esm2USN-8234-1
```
sudo apt-get install --only-upgrade -y python-mako-doc
```
python3-mako→ fixed in1.0.3+ds1-1ubuntu1+esm2USN-8234-1
```
sudo apt-get install --only-upgrade -y python3-mako
```

Are YOU affected by CVE-2026-41205?

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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