Citrix is warning that a vulnerability in NetScaler appliances tracked as CVE-2025-6543 is being actively exploited in the wild, causing devices to enter a denial of service condition. "Exploits of ...

Researchers have released proof-of-concept (PoC) exploits for a critical Citrix NetScaler vulnerability, tracked as CVE-2025-5777 and dubbed CitrixBleed2, warning that the flaw is easily exploitable ...

Citrix has fixed a critical vulnerability, tracked as CVE-2025-5777, found within NetScaler ADC and NetScaler Gateway. The vulnerability, assigned a critical CVSS score of 9.3, is described as an ...

The U.S. cybersecurity agency ordered Federal Civilian Executive Branch agencies to implement fixes for the issue by end of day Friday. A critical-severity vulnerability affecting two Citrix NetScaler ...

Citrix NetScaler ADC and NetScaler Gateway customers have been hit by a new round of zero day vulnerabilities that require urgent patching, including one the company warned is being actively exploited ...

A little over a week after issuing patches for critical NetScaler flaws, Citrix is warning that the fixes may break login functionality for some users. First reported by BleepingComputer, the issues ...

CISA adds Citrix CVE‑2026‑3055 to Known Exploited Vulnerabilities catalog, confirming in‑the‑wild abuse Critical input validation flaw in NetScaler ADC/Gateway SAML IDP enables memory overread and ...

A new critical vulnerability that is similar to the widely-exploited CitrixBleed and CitrixBleed2 holes should be patched in NetScaler devices immediately, say experts. The hole, CVE-2026-3055, is an ...

Last week, a critical vulnerability in Citrix Gateway and Netscaler ADC became known. Now IT researchers are observing attacks on it. A week ago, security vulnerabilities in Citrix Gateway and ...