CVE-2026-0257

Introduction In modern enterprise network architectures, perimeter defense systems such as VPNs and edge gateways serve as the primary entry points to internal assets, making them highly attractive targets for cyber threat actors. Because these perimeter solutions are designed to bridge untrusted public space with trusted internal assets, any compromise at this boundary completely dismantles a company’s defense-in-depth model. The CVE-2026-0257 vulnerability