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CVE-2026-20128

exploited in the wild

CVSS

5.5

Reports

8

First seen

Feb 26

Last seen

Jun 16

Affected product

Cisco Catalyst SD-WAN Manager

Associated actors

Recent reports

Cisco Releases Security Updates for Actively Exploited SD-WAN Manager Flaw

The Hacker NewsJun 16 Critical

Cisco fixes SD-WAN vManage zero-day flaw exploited in privilege-escalation attacks

Bleeping ComputerJun 15 High

Cisco Catalyst SD-WAN Manager CVE-2026-20245 Actively Exploited – Patch Unavailable

The Hacker NewsJun 6 High

Cisco warns of unpatched SD-WAN zero-day exploited in attacks

Bleeping ComputerJun 5 Critical

Critical vulnerability in Cisco Catalyst SD-WAN (CVE-2026-20182) under active exploitation

Canadian Centre AlertsMay 15 Critical

CISA Adds Cisco SD-WAN Authentication Bypass CVE-2026-20182 to KEV Catalog

The Hacker NewsMay 15 High

Cisco Talos tracks active exploitation of Catalyst SD-WAN vulnerabilities

Cisco TalosMay 14 Critical

Multiple Critical Vulnerabilities in Cisco Catalyst SD-WAN Controllers and Managers

CERT-EU AdvisoriesFeb 26

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