VulnerabilitycriticalExploited in the wild

Citrix Patches Six NetScaler Flaws Allowing File Read and Denial-of

The Hacker Newsby @TheHackersNewsJul 2, 2026 · 15:49 UTC (Jul 2, 2026)4 min read2

Read at thehackernews.com

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CVEs: CVE-2026-8451 CVE-2026-8452 CVE-2026-8655 CVE-2026-10816 CVE-2026-10817 CVE-2026-13474 CVE-2026-3055

Tags: cve-2026-10816 cve-2026-10817 cve-2026-8451 cve-2026-8452 cve-2026-8655 vulnerability

Vulnerabilities mentioned

All

CVE	Vulnerability	CVSS	EPSS	Signals	Published
CVE-2026-8451 +4 related CVEs CVE-2026-8655 CVE-2026-13474 CVE-2026-10816 CVE-2026-10817	Insufficient input validation in NetScaler ADC and NetScaler Gateway leading to memory overread if NetScaler ADC or NetScaler Gateway is configured as a SAML…	8.8 group max	16%		Jun 30, 2026
CVE-2026-3055	Out-of-Bounds Read in Citrix NetScaler ADC and Gateway When Used as SAML IDP	9.3	91%	KEVPoC	Mar 23, 2026 KEV Mar 30, 2026
CVE-2026-8452	Memory Buffer Overflow in Citrix NetScaler ADC/Gateway Exploited in the Wild	8.8	1%	KEVPoC	Jun 30, 2026 KEV Aug 26, 2026

From the original article

4 min read at thehackernews.com

 Ravie Lakshmanan  Jul 01, 2026 Vulnerability / Enterprise Security Citrix on Tuesday released security updates to address multiple flaws in NetScaler ADC (formerly Citrix ADC) and NetScaler Gateway (formerly Citrix Gateway) that could be exploited by an attacker to facilitate arbitrary file reads or trigger a denial-of-service (DoS) condition. CVE-2026-8451 (CVSS score: 8.

The Hacker News

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