---
cve: "CVE-2026-3055"
severity: "CRITICAL"
cvss: 9.3
epss: "84.5%"
vendor: "NetScaler"
kev: true
exploited: true
published: "2026-03-23 21:17:17"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-02T04:11:04+02:00"
---

# CVE-2026-3055

> 9.3 CRITICAL · ⚠️ CISA KEV (156 Tage) · 🔓 Exploited

## Beschreibung

Insufficient input validation in NetScaler ADC and NetScaler Gateway when configured as a SAML IDP leading to memory overread

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |

## Referenzen

- <https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696300>
- <https://labs.watchtowr.com/please-we-beg-just-one-weekend-free-of-appliances-citrix-netscaler-cve-2026-3055-memory-overread-part-2/>
- <https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-3055>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-3055) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_