CVE-2026-20157 Cisco RoomOS Security Hardening Release - Missing Encryption Vulnerabilities

High 7.5 Published Updated

Cisco RoomOS devices lack proper encryption, potentially exposing sensitive data to attackers.

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

What is CVE-2026-20157?

CVE-2026-20157 is a high-severity vulnerability in Cisco RoomOS Software, published on 15 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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-2026-20157 are related to missing encryption that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-311.

Weakness: CWE-311

Which versions are affected by CVE-2026-20157?

It affects 2 products.

Products include Cisco Roomos, Cisco Roomos Cloud.

How do I fix CVE-2026-20157?

No fix has been published for CVE-2026-20157 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-20157 being exploited?

There is no known exploitation of CVE-2026-20157 in the wild and no public exploit code.

Sources

Also known as GHSA-c7x8-7666-3x3f.

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