CVE-2026-79391 Missing authorization in n/a
Remote attackers can access the MQTT broker without authentication to publish or subscribe to topics, exposing data and allowing unauthorized message injection.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-79391?
CVE-2026-79391 is a critical missing authorization vulnerability in n/a, published on 4 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
No authentication exists in the MQTT service of Trueview 6.0.23.4. The MQTT broker accepts client connections on TCP port 1883 without requiring authentication, allowing a remote attacker with network access to establish an MQTT session and perform unauthorized publish or subscribe operations.
Weakness: CWE-306
Which versions are affected by CVE-2026-79391?
How do I fix CVE-2026-79391?
No fix has been published for CVE-2026-79391 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-79391 being exploited?
There is no known exploitation of CVE-2026-79391 in the wild and no public exploit code.
Sources
Also known as GHSA-747v-rwmr-3qwh.