Critical Alert 1 Active Exploit Detected Today

CVE-2026-48558 — SimpleHelp Authentication Bypass Vulnerability →
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June 30, 2026

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CVE-2026-8451NVD

Vulnerability Summary

Insufficient input validation in NetScaler ADC and NetScaler Gateway leading to memory overread if NetScaler ADC or NetScaler Gateway is configured as a SAML IDP
Severity Level
UNKNOWN
Published Date
Jun 30, 2026
Last Modified
Jun 30, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
Data Pending
Root Weakness (CWE)
N/A

External References