CVE-2026-20304
Critical · 9.9CVSS
9.9
EPSS
0.4%
Published
Aug 5, 2026
CISA due date
—
The record
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Catalyst SD-WAN engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20304 are related to improper access control issues that are grouped under the Common Weakness Enumeration (CWE) CWE-284.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
Related vulnerabilities
- CVE-2026-114574 A security vulnerability has been detected in massCodeIO massCode 5.10. CWE-284
- CVE-2026-83395 Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise… CWE-284
- CVE-2026-112091 A flaw has been found in Dav-ee dairy-management-system… CWE-284
- CVE-2026-106580 ImageMagick is free and open-source software used for editing and manipulating digital… CWE-284
- CVE-2026-61700 MariaDB Connector/J is used to connect applications developed in Java to MariaDB and… CWE-284
- CVE-2026-86812 The WPCafe WordPress plugin before 3.0.18 does not correctly restrict access to a set of… CWE-284
- CVE-2026-85545 There is an Vulnerability in some HikCentral Access Control versions. CWE-284
- CVE-2026-78084 Joomla Extension - joomshaper.com - Missing Access Control in Gallery Image Management in… CWE-284