Citrix confirms two NetScaler RCE zero-days exploited in attacks

2026-09-27T19:23:22Z•fcd2278bd5474d18d9a10a6cd086f926292bcaefdcded2854a4c8ef441bb20cf
CVE-2026-35273CVE-2026-5430CVE-2026-88771CVE-2026-88772CISA KEVCSRFCitrix NetScalerCloudflare ContainersElementorGitHub Actions compromiseGrav CMSOracle PeopleSoftWAF bypassWSO2WordPressactive exploitationauthentication bypasscross-tenant data exposureenterprise softwarepath traversalremote code executionsupply chain securityzero-day

What happened

BleepingComputer reports active exploitation of two critical Citrix NetScaler remote code execution zero-days, CVE-2026-88771 and CVE-2026-88772, with vendor security updates available. The feed also highlights exploitation of Oracle PeopleSoft CVE-2026-35273 using URL-encoding to bypass WAF protections, CISA warnings about exploited WSO2 authentication bypass CVE-2026-5430 and other enterprise flaws, compromised GitHub Actions retaining malicious payloads, and additional vulnerabilities affecting Cloudflare Containers, Grav CMS, and Elementor for WordPress.

Why it matters

A reviewed impact interpretation has not been published for this record.

Evidence and limitations

Source ID
bleepingcomputer
Record identifier
fcd2278bd5474d18d9a10a6cd086f926292bcaefdcded2854a4c8ef441bb20cf
Enrichment time
2026-09-27T19:23:22Z
AI-assisted enrichment
Yes

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