CVE-2026-67609 Telenia TVox 26.5.3 Privilege Escalation via Insecure sudoers Configuration

High 8.5 Published Updated

Attackers with apache access can escalate to root via insecure sudoers configuration allowing arbitrary command execution.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-67609?

CVE-2026-67609 is a high-severity vulnerability in Telenia Software TVox, published on 3 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Telenia Software TVox 26.5.3 and prior 26.x versions, and 24.9.21 and prior 24.x versions, contain a privilege escalation vulnerability that allows attackers with access to the apache account to execute arbitrary commands as root by exploiting an insecure sudoers configuration in /etc/sudoers.d/telenia. The configuration grants the apache user NOPASSWD execution of /bin/nice, which can be leveraged to invoke arbitrary commands, enabling full root-level command execution without supplying a password.

Weakness: CWE-250

Which versions are affected by CVE-2026-67609?

How do I fix CVE-2026-67609?

No fix has been published for CVE-2026-67609 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-67609 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-67609 exists.

Sources

Also known as GHSA-pmvj-vgj4-9cg7.

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