A vulnerability, referred to as CVE-2026-3055, has been identified in Citrix NetScaler ADC and NetScaler Gateway, allowing for an out-of-bounds read. The flaw may permit unauthenticated data leaks and denial-of-service, with some outlets suggesting it is similar in severity to a previously known issue called CitrixBleed. Citrix has issued patches for this and other related vulnerabilities, with security firms warning of potential exploitation and urging immediate patching.