Which versions of Citrix are affected by CVE-2026-3055?

Citrix NetScaler ADC and Gateway products configured as SAML Identity Providers contain a critical memory overread vulnerability (CVE-2026-3055) that is confirmed actively exploited in the wild,…. A patch is available.

Is there a public PoC exploit available for CVE-2026-3055?

Yes, a public proof-of-concept exploit is available for CVE-2026-3055. Prioritise patching immediately. EPSS: 0.0%.

Citrix CVE-2026-3055

Q: What is the CVSS score of CVE-2026-3055?

CVE-2026-3055 has a CVSS 4.0 base score of 9.3 (Critical). 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. EPSS exploitation probability: 0.0%.

EUVD-2026-14546 CRITICAL

Out-of-bounds Read (CWE-125)

2026-03-23 NetScaler

GHSA-wv7p-q4p2-p6pf

Buffer Overflow Information Disclosure Citrix

9.3

CVSS 4.0

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

Analysis Updated

Apr 16, 2026 - 05:49 EUVD-patch-fix

executive_summary

Re-analysis Queued

Apr 16, 2026 - 05:29 backfill_euvd_patch

patch_released

Patch available

Apr 16, 2026 - 05:29 EUVD

66.59,37.262,62.23

Added to CISA KEV

Mar 31, 2026 - 13:18 cisa

CISA KEV

PoC Detected

Mar 31, 2026 - 13:18 vuln.today

Public exploit code

Started Trending

Mar 31, 2026 - 11:23 vuln.today

6.7

EUVD ID Assigned

Mar 23, 2026 - 20:30 euvd

EUVD-2026-14546

Analysis Generated

Mar 23, 2026 - 20:30 vuln.today

CVE Published

Mar 23, 2026 - 20:21 nvd

CRITICAL 9.3

DescriptionNVD

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

AnalysisAI

An insufficient input validation vulnerability exists in Citrix NetScaler ADC and NetScaler Gateway when configured as a SAML Identity Provider, allowing attackers to trigger a memory overread condition. The vulnerability affects both the NetScaler ADC and NetScaler Gateway products across multiple versions, and successful exploitation could lead to information disclosure by reading adjacent memory contents. …

RemediationAI

Within 24 hours: Identify all Citrix NetScaler ADC and Gateway instances configured as SAML Identity Providers in your environment and isolate from internet-facing access if possible. Within 7 days: Apply the vendor-released patch to all affected NetScaler ADC and NetScaler Gateway systems; consult Citrix advisory for affected version ranges and corresponding patch versions. …

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

Full analysis requires sign-in

Get intelligence summaries, risk assessment, exploit details, threat intel, and remediation guidance.

CVE-2026-3055 vulnerability details – vuln.today

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Citrix CVE-2026-3055

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

RemediationAI

Analysis

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Citrix CVE-2026-3055

CVSS VectorNVD

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DescriptionNVD

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External POC / Exploit Code