As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco RoomOS engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20156 are related to improper restriction of operations within the bounds of a memory buffer that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-119.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HCisco Roomos
OSCisco< 11.32.6.026.0.1.2 – 26.5.2.2 (excl.)Cisco Roomos Cloud
OSCisco< 11.39.1.126.0.1.2 – 26.7.1.7 (excl.)
Related vulnerabilities
Cisco RoomOS — nieprawidłowa kontrola zasobów przez cały cykl życia (CWE-664)
Cisco RoomOS – brak szyfrowania danych (CWE-311)
Cisco RoomOS — błędna walidacja danych wejściowych (DoS)
Cisco RoomOS — nieprawidłowa kontrola dostępu (improper access control)
Cisco RoomOS — nieprawidłowa obsługa wyjątków prowadząca do DoS