Home › Exploited CVEs › CVE-2026-3055
CVE-2026-3055: Citrix NetScaler Out-of-Bounds Read Vulnerability
Citrix NetScaler · in CISA KEV since 2026-03-30
2026-03-30added to KEV
2026-04-02federal remediation due date
87.17%EPSS exploit probability (30 days) 99.7th percentile
9.3 CRITICALCVSS 4.0
Unknownknown ransomware use
7days from NVD publication to KEV
What it is
Citrix NetScaler ADC (formerly Citrix ADC), NetScaler Gateway (formerly Citrix Gateway) and NetScaler ADC FIPS and NDcPP contain an out-of-bounds reads vulnerability when configured as a SAML IDP leading to memory overread.
Required action (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
| CWE | CWE-125 |
|---|---|
| CVSS vector | 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| NVD published | 2026-03-23 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2026-3055.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.
Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.