Cisco Warns of Attackers Exploiting Critical Authentication Bypass in SD-WAN Manager
- Posted on September 30, 2026
- By The Hacker News
- 2 Views
- 1 min read
In brief
Cisco has identified a critical security vulnerability in SD-WAN Manager that allows attackers to bypass authentication mechanisms and gain unauthorized administrative access to APIs. The flaw, tracked as CVE-2026-76504, poses significant risks to enterprise network infrastructure. Organizations using affected versions should immediately apply available security patches to prevent potential data breaches and unauthorized system manipulation.
Summary auto-generated by AI from the original publisher's content. Editorial standards.
Cisco Warns of Attackers Exploiting Critical Authentication Bypass in SD-WAN Manager
Attackers are exploiting CVE-2026-76504 to access Cisco SD-WAN Manager APIs as admin without credentials; fixed releases are available.
