CVE-2026-3055

9.8 CRITICAL CISA KEV - Actively Exploited
Published: March 23, 2026 Modified: March 31, 2026
View on NVD

Description

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

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696300
Source: 50a63c94-1ea7-4568-8c11-eb79e7c5a2b5
Vendor Advisory
https://labs.watchtowr.com/please-we-beg-just-one-weekend-free-of-appliances-citrix-netscaler-cve-2026-3055-memory-overread-part-2/
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Exploit Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-3055
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
50.8%
98th percentile
Exploitation Status
Actively Exploited
Remediation due: 2026-04-02

Weaknesses (CWE)

CWE-125

Affected Vendors

citrix

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