Ubuntu USN · USN-8234-1

Mako vulnerability

Published: Tue, 05 May 2026 18:27

CVE-2026-41205

Summary

Mako could be made to expose sensitive information over the network.

Details

It was discovered that Mako incorrectly handled URIs with double-slash prefixes in TemplateLookup. A remote attacker could possibly use this issue to obtain sensitive information.

Recommended actions per Ubuntu release

StackPatch playbook auto-generated per release codename and per affected package.

Ubuntu bionic

mako→1.0.7+ds1-1ubuntu0.2+esm1apt_upgrade
Standard apt upgrade. Install 1.0.7+ds1-1ubuntu0.2+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mako
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
python-mako→1.0.7+ds1-1ubuntu0.2+esm1apt_upgrade
Standard apt upgrade. Install 1.0.7+ds1-1ubuntu0.2+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y python-mako
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
python-mako-doc→1.0.7+ds1-1ubuntu0.2+esm1apt_upgrade
Standard apt upgrade. Install 1.0.7+ds1-1ubuntu0.2+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y python-mako-doc
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
python3-mako→1.0.7+ds1-1ubuntu0.2+esm1apt_upgrade
Standard apt upgrade. Install 1.0.7+ds1-1ubuntu0.2+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y python3-mako
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu focal

mako→1.1.0+ds1-1ubuntu2.1+esm1apt_upgrade
Standard apt upgrade. Install 1.1.0+ds1-1ubuntu2.1+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mako
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
python-mako→1.1.0+ds1-1ubuntu2.1+esm1apt_upgrade
Standard apt upgrade. Install 1.1.0+ds1-1ubuntu2.1+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y python-mako
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
python-mako-doc→1.1.0+ds1-1ubuntu2.1+esm1apt_upgrade
Standard apt upgrade. Install 1.1.0+ds1-1ubuntu2.1+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y python-mako-doc
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
python3-mako→1.1.0+ds1-1ubuntu2.1+esm1apt_upgrade
Standard apt upgrade. Install 1.1.0+ds1-1ubuntu2.1+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y python3-mako
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu jammy

mako→1.1.3+ds1-2ubuntu0.2apt_upgrade
Standard apt upgrade. Install 1.1.3+ds1-2ubuntu0.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mako
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
python-mako-doc→1.1.3+ds1-2ubuntu0.2apt_upgrade
Standard apt upgrade. Install 1.1.3+ds1-2ubuntu0.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y python-mako-doc
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
python3-mako→1.1.3+ds1-2ubuntu0.2apt_upgrade
Standard apt upgrade. Install 1.1.3+ds1-2ubuntu0.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y python3-mako
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu noble

mako→1.3.2-1ubuntu0.1apt_upgrade
Standard apt upgrade. Install 1.3.2-1ubuntu0.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mako
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
python-mako-doc→1.3.2-1ubuntu0.1apt_upgrade
Standard apt upgrade. Install 1.3.2-1ubuntu0.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y python-mako-doc
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
python3-mako→1.3.2-1ubuntu0.1apt_upgrade
Standard apt upgrade. Install 1.3.2-1ubuntu0.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y python3-mako
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu questing

mako→1.3.9-1ubuntu0.1apt_upgrade
Standard apt upgrade. Install 1.3.9-1ubuntu0.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mako
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
python-mako-doc→1.3.9-1ubuntu0.1apt_upgrade
Standard apt upgrade. Install 1.3.9-1ubuntu0.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y python-mako-doc
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
python3-mako→1.3.9-1ubuntu0.1apt_upgrade
Standard apt upgrade. Install 1.3.9-1ubuntu0.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y python3-mako
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu resolute

mako→1.3.10-3ubuntu0.1apt_upgrade
Standard apt upgrade. Install 1.3.10-3ubuntu0.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mako
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
python-mako-doc→1.3.10-3ubuntu0.1apt_upgrade
Standard apt upgrade. Install 1.3.10-3ubuntu0.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y python-mako-doc
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
python3-mako→1.3.10-3ubuntu0.1apt_upgrade
Standard apt upgrade. Install 1.3.10-3ubuntu0.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y python3-mako
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu xenial

mako→1.0.3+ds1-1ubuntu1+esm2apt_upgrade
Standard apt upgrade. Install 1.0.3+ds1-1ubuntu1+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mako
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
python-mako→1.0.3+ds1-1ubuntu1+esm2apt_upgrade
Standard apt upgrade. Install 1.0.3+ds1-1ubuntu1+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y python-mako
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
python-mako-doc→1.0.3+ds1-1ubuntu1+esm2apt_upgrade
Standard apt upgrade. Install 1.0.3+ds1-1ubuntu1+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y python-mako-doc
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
python3-mako→1.0.3+ds1-1ubuntu1+esm2apt_upgrade
Standard apt upgrade. Install 1.0.3+ds1-1ubuntu1+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y python3-mako
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

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