Citrix patches a new NetScaler flaw with echoes of CitrixBleed

Citrix published a bulletin disclosing six vulnerabilities in NetScaler ADC/Gateway appliances—most notably CVE-2026-8451, a high-severity memory-disclosure issue tied to malformed SAML requests—along with flaws causing DoS, arbitrary file reads, and memory overreads; patches and a manual configuration change are recommended, and no confirmed exploitation of the new CVE was reported at disclosure.