CVE-2026-20034: exploitation status and patch state
CVE-2026-20034 · CVSS 8.8 HIGH
A vulnerability in the web-based management interface of Cisco Unity Connection could allow an authenticated, remote attacker to execute arbitrary code on an affected device.
This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by submitting a crafted API request. A successful exploit could allow the attacker to execute arbitrary code as root, possibly resulting in the complete compromise of a targeted device. To exploit this vulnerability, the attacker must have valid user credentials on the affected device.
Is CVE-2026-20034 exploited?
Not in the CISA KEV catalog.
Public exploit code: none found in monitored sources.