What is CVE-2026-67609?

CVE-2026-67609 is a high-severity vulnerability in Telenia Software Tvox, classified under CWE-250. CVSS score: 7.8/10. Published 2026-08-03.

How severe is CVE-2026-67609?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Telenia Software Tvox

CVE-2026-67609

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.

EPSS: 0.001 (3.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Telenia Software Tvox — versions 26.0.0, 24.0.0

Weakness classification (CWE)

CWE-250

References

disclosure@vulncheck.com (technical-description, exploit)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-67609?: CVE-2026-67609 is a high-severity vulnerability in Telenia Software Tvox, classified under CWE-250. CVSS score: 7.8/10. Published 2026-08-03.
How severe is CVE-2026-67609?: High severity. CVSS v3 base score is 7.8 out of 10.