CVE-2026-41049 Caching of Authentication allows Authentication Bypass between users in qSnapper

High 8.4 Published 22 Jun 2026 Updated 8 Jul 2026

Local attackers can bypass authentication in qSnapper to execute privileged D-Bus functions after a privileged user authenticates.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2026-41049?

CVE-2026-41049 is a high-severity authentication bypass vulnerability in presire qSnapper, published on 22 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Incorrect caching of authentication between different users of the qSnapper dbus service before version 1.3.3 allowed any local attacker to use dbus functions after a privileged users has authenticated for them.

Weakness: CWE-863

Which versions are affected by CVE-2026-41049?

It affects 1 product.

Products include Presire Qsnapper.

How do I fix CVE-2026-41049?

Upgrade to a fixed version.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-41049 being exploited?

There is no known exploitation of CVE-2026-41049 in the wild and no public exploit code.

Sources

Also known as GHSA-cf66-c678-24r2.