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Critical CVEs

CVE-2026-18577 — N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulnerability

August 3, 2026

N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulnerability

Affected vendor/product: N-able N-central

Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

CISA KEV date added: 2026-08-03

Due date: 2026-08-06

Known ransomware campaign use: Unknown

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