CVE-2026-3055 CISA KEV · Actively exploited
Out-of-bounds read in Citrix Netscaler Gateway
CVSS score
9.8
EPSS probability
%4.0
Risk score
0.8
Published
6 mo ago
Vulnerability Timeline (Change History)
CVE-2026-3055 historical changes made to the vulnerability by NVD, CISA and MITRE:
| Date | Actor / Source | Action / Description | Type | Previous value | New value |
|---|---|---|---|---|---|
| 17.06.2026 | nvd@nist.gov | Initial Analysis & CVSS Vector Assignment | CVSS V3.1 | — | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 30.03.2026 | CISA Coordinator | Added to KEV Catalog (Active Exploitation) | SSVC / KEV | exploitation: none | exploitation: active |
| 23.03.2026 | MITRE / NVD | New CVE Record Received & Ingested | CVE Created | — | CVE-2026-3055 |
Similar Vulnerabilities
9.8
CVE-2019-19781 Actively exploitedVulnerability in N/a
Workaround Public Exploits:13EPSS %100
9.8
CVE-2023-3519 Actively exploitedCode injection in Citrix NetScaler ADC
Workaround Public Exploits:10EPSS %100
9.3
CVE-2025-5777 Actively exploitedNetScaler ADC and NetScaler Gateway - Insufficient input validation leading to memory overread
Workaround Public Exploits:2EPSS %100
7.5
CVE-2023-4966 Actively exploitedMemory buffer overflow in Citrix Netscaler Gateway
Patch status unknown Public Exploits:8EPSS %100
9.3
9.8
CVE-2019-11634 Actively exploitedVulnerability in N/a
WorkaroundEPSS %8
Get this vulnerability through the API
Affected products, version ranges, exploitation status and patch information in a single request, with a free key.
curl -H "x-api-key: $DAYBREACH_API_KEY" \ "https://api.daybreach.dev/api/v1/intel/cves/CVE-2026-3055"