Critical Citrix NetScaler SAML IDP Memory Leak Exploit
⚠️ A critical out-of-bounds read vulnerability (CVE-2026-3055), disclosed by Citrix on March 23, is being actively exploited against NetScaler ADC and NetScaler Gateway appliances configured as SAML Identity Providers. The flaw (CVSS v4.0 9.3) allows unauthenticated attackers to leak memory contents via crafted SAMLRequest payloads. Citrix and security researchers urge immediate patching to the listed firmware releases and recommend checking NetScaler configurations for SAML IDP profiles.
