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-2026-13474NVD

Vulnerability Summary

Denial of service via malformed HTTP/2 requests in NetScaler ADC and NetScaler Gateway if HTTP/2 is enabled in HTTP Profile and associated with the virtual server (of type LB, CS, VPN) or the service configured on NetScaler
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