CVE-2026-20187

The record

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-2026-20187 are related to improper handling of exceptional conditions that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-703.

Affected packages

Related vulnerabilities

• CVE-2026-80135 Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions… CWE-703
• CVE-2026-57445 Gardens v2 is a modular governance framework that enables communities to create and… CWE-703
• CVE-2026-82417 ### Summary `qs.stringify` throws a `TypeError` when it serializes an object whose own… CWE-703
• CVE-2026-26446 Stomper 5e2741e is vulnerable to Denial of Service. CWE-703
• CVE-2026-18638 Any authenticated Velociraptor user — including one holding only the readerrole — can… CWE-703
• CVE-2026-56818 Netty is an asynchronous, event-driven network application framework. CWE-703
• CVE-2026-51600 Tenda CP3 V3.0 firmware V31.1.9.91 does not validate the Content-Length header field in… CWE-703
• CVE-2026-13753 Certain HP DeskJet All-in-One printers may be potentially vulnerable to information… CWE-703