Cisco RoomOS up to 26.5.2.0 access control

Summaryinfo

A vulnerability has been found in Cisco RoomOS and classified as critical. The affected element is an unknown function. The manipulation leads to access control. This vulnerability is traded as CVE-2026-20150. It is possible to initiate the attack remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Cisco RoomOS and classified as critical. This issue affects an unknown part. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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-2026-20150 are related to improper access control that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-284.

It is possible to read the advisory at sec.cloudapps.cisco.com. The identification of this vulnerability is CVE-2026-20150 since 10/08/2025. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/15/2026). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

• Cisco

Name

• RoomOS

Version

• 10.3.2.0
• 10.3.2.4
• 10.3.3.0
• 10.3.4.0
• 10.8.2.5
• 10.8.3.1
• 10.8.4.0
• 10.11.2.2
• 10.11.3.0
• 10.11.4.1
• 10.11.5.2
• 10.11.6.0
• 10.15.2.2
• 10.15.3.0
• 10.15.4.1
• 10.15.5.3
• 10.19.2.2
• 10.19.3.0
• 10.19.4.2
• 10.19.5.6
• 11.1.2.4
• 11.1.3.1
• 11.1.4.1
• 11.5.2.4
• 11.5.3.3
• 11.5.4.6
• 11.9.2.4
• 11.9.3.1
• 11.14.2.1
• 11.14.2.3
• 11.14.3.0
• 11.14.4.0
• 11.14.5.0
• 11.17.2.2
• 11.17.3.0
• 11.17.4.0
• 11.20.2.3
• 11.20.3.0
• 11.23.1.6
• 11.23.1.8
• 11.24.1.5
• 11.24.2.4
• 11.24.3.0
• 11.24.4.1
• 11.27.2.0
• 11.27.3.0
• 11.27.4.0
• 11.27.5.0
• 11.28.1.3
• 11.31.1.5
• 11.32.2.1
• 11.32.3.0
• 11.32.4.0
• 11.32.5.1
• 11.33.1.7
• 11.34.1.2
• 11.35.1.2
• 11.36.1.1
• 11.37.1.0
• 11.38.1.1
• 26.0.1.2
• 26.1.1.5
• 26.2.2.2
• 26.3.1.3
• 26.4.1.4
• 26.4.1.6
• 26.5.2.0

License

• commercial

Website

• Vendor: https://www.cisco.com/

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