CVE-2026-3055 (GCVE-0-2026-3055)
Vulnerability from cvelistv5
Published
2026-03-23 20:21
Modified
2026-03-31 03:55
Severity ?
9.3 (Critical) - 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
CWE
Summary
Insufficient input validation in NetScaler ADC and NetScaler Gateway when configured as a SAML IDP leading to memory overread
References
Impacted products
Vendor Product Version
NetScaler ADC Version: 14.1
Version: 13.1
Version: 13.1 FIPS and NDcPP
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CISA Known Exploited Vulnerability
Data from the CISA Known Exploited Vulnerabilities Catalog

Date added: 2026-03-30

Due date: 2026-04-02

Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Used in ransomware: Unknown

Notes: https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696300&articleURL=NetScaler_ADC_and_NetScaler_Gateway_Security_Bulletin_for_CVE_2026_3055_and_CVE_2026_4368 ; https://nvd.nist.gov/vuln/detail/CVE-2026-3055

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