CVE-2026-3055 | THREATINT

Description

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

PUBLISHED Reserved 2026-02-23 | Published 2026-03-23 | Updated 2026-03-31 | Assigner NetScaler

CRITICAL: 9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L

CISA Known Exploited Vulnerability

Date added 2026-03-30 | Due date 2026-04-02

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

Problem types

CWE-125 Out-of-bounds Read

Product status

Default status

unaffected

14.1 (patch) before 66.59

affected

13.1 (patch) before 62.23

affected

13.1 FIPS and NDcPP (patch) before 37.262

affected

Default status

unaffected

14.1 (patch) before 66.59

affected

13.1 (patch) before 62.23

affected

References

labs.watchtowr.com/...-cve-2026-3055-memory-overread-part-2/ third-party-advisory

www.cisa.gov/...nerabilities-catalog?field_cve=CVE-2026-3055 government-resource

support.citrix.com/...search/article?articleNumber=CTX696300

cve.org (CVE-2026-3055)

nvd.nist.gov (CVE-2026-3055)

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