Public bug reported:

$ lsb_release -rd
Description:    Ubuntu 18.04.2 LTS
Release:        18.04

$ apt-cache policy gnome-software
gnome-software:
  Installed: 3.28.1-0ubuntu4.18.04.8
  Candidate: 3.28.1-0ubuntu4.18.04.12
  Version table:
     3.28.1-0ubuntu4.18.04.12 500
        500 http://us.archive.ubuntu.com/ubuntu bionic-updates/main amd64 
Packages
 *** 3.28.1-0ubuntu4.18.04.8 100
        100 /var/lib/dpkg/status
     3.28.1-0ubuntu4 500
        500 http://us.archive.ubuntu.com/ubuntu bionic/main amd64

What I expect to happen:
  Software is not installed for a user without sudo access.

What does happen:
I'm logging in with an LDAP user. This user does not have sudo access.

When I select software from gnome-software ("Ubuntu Software"), it pops
up and asks for my users password. I enter this in, and the software
then installs (tested with blender, libreoffice, opencl driver).

My user does *not* have sudo access on the system.

$ sudo su -
[sudo] password for jason: 
jason is not in the sudoers file.  This incident will be reported.

It appears these *may* be being installed with Snaps ... which still:

How, without having root access, can an unprivileged user install
something onto the system?

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: gnome-software 3.28.1-0ubuntu4.18.04.8
ProcVersionSignature: Ubuntu 5.0.0-32.34~18.04.2-generic 5.0.21
Uname: Linux 5.0.0-32-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Fri Nov  1 13:53:03 2019
InstallationDate: Installed on 2019-11-01 (0 days ago)
InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
InstalledPlugins:
 gnome-software-plugin-flatpak N/A
 gnome-software-plugin-limba   N/A
 gnome-software-plugin-snap    3.28.1-0ubuntu4.18.04.8
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: gnome-software
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: gnome-software (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug bionic

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https://bugs.launchpad.net/bugs/1850977

Title:
  gnome-software installs software without user having sudo access

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