CVE-2026-3055

critical · 9.3Actively exploited

On the CISA Known Exploited Vulnerabilities catalog

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

Added 2026-03-30Remediation due 2026-04-02

A public exploit / detection template exists

Weaponised detection is publicly available, which meaningfully raises real-world risk regardless of CVSS. nuclei-templates →

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

9.3

CVSS

87.2%

EPSS (exploit prob.)

100th

EPSS percentile

2026-03-23

Published

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

Weaknesses

CWE-125

Affected products

Vendor	Product	Affected versions
citrix	netscaler_application_delivery_controller	>= 13.1, < 13.1-37.262
citrix	netscaler_application_delivery_controller	>= 13.1, < 13.1-37.262
citrix	netscaler_application_delivery_controller	>= 13.1, < 13.1-62.23
citrix	netscaler_application_delivery_controller	>= 14.1, < 14.1-60.58
citrix	netscaler_gateway	>= 13.1, < 13.1-62.23
citrix	netscaler_gateway	>= 14.1, < 14.1-60.58

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-3055