CISA Says Attackers Are Exploiting Two Critical Citrix NetScaler Flaws Globally

Reported by The Hacker News (info@thehackernews.com (The Hacker News))

Summary by Cyber Security News28 Sep 2026, 09:21 CEST

About this summary. This is a short, independently written summary of an article first published by The Hacker News. Cyber Security News did not report or verify the underlying story. Read the original: https://thehackernews.com/2026/09/cisa-says-attackers-are-exploiting-two.html

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Sunday added two critical Citrix NetScaler ADC and Gateway flaws to its Known Exploited Vulnerabilities (KEV) catalog, following reports of active exploitation. The vulnerabilities are listed below - CVE-2026-88771 (CVSS score: 9.5) - An improper input validation vulnerability that could allow an unauthenticated attacker to

Read the full article at The Hacker News →

Source attribution: headline and facts are from The Hacker News (thehackernews.com). Summary method: excerpt of the source description. See our source attribution policy.